Home / 102,718,421,557.76-141,248,757,820.20-89,146,496,372.24

Finding the Fourth Proportional to 102,718,421,557.76, 141,248,757,820.20 and 89,146,496,372.24

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Solution

The fourth proportional to 102,718,421,557.76, 141,248,757,820.20 and 89,146,496,372.24 is: 122,585,916,777.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,718,421,557.76 : 141,248,757,820.20 = 89,146,496,372.24 : x
  2. Step 2: Convert to fraction form
    102,718,421,557.76/141,248,757,820.20 = 89,146,496,372.24/x
  3. Step 3: Cross multiply
    102,718,421,557.76x = 141,248,757,820.20 × 89,146,496,372.24
  4. Step 4: Simplify right side
    102,718,421,557.76x = 12,591,831,876,601,867,403,264
  5. Step 5: Solve for x
    x = 12,591,831,876,601,867,403,264/102,718,421,557.76
  6. Step 6: Final answer
    x = 122,585,916,777.56

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.