Home / 102,718,421,559.76-141,248,757,822.96-89,146,496,374.24

Finding the Fourth Proportional to 102,718,421,559.76, 141,248,757,822.96 and 89,146,496,374.24

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Solution

The fourth proportional to 102,718,421,559.76, 141,248,757,822.96 and 89,146,496,374.24 is: 122,585,916,780.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,718,421,559.76 : 141,248,757,822.96 = 89,146,496,374.24 : x
  2. Step 2: Convert to fraction form
    102,718,421,559.76/141,248,757,822.96 = 89,146,496,374.24/x
  3. Step 3: Cross multiply
    102,718,421,559.76x = 141,248,757,822.96 × 89,146,496,374.24
  4. Step 4: Simplify right side
    102,718,421,559.76x = 12,591,831,877,130,408,427,520
  5. Step 5: Solve for x
    x = 12,591,831,877,130,408,427,520/102,718,421,559.76
  6. Step 6: Final answer
    x = 122,585,916,780.32

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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.