Home / 52,325,010.76-72,207,809.52-29,120,131.56

Finding the Fourth Proportional to 52,325,010.76, 72,207,809.52 and 29,120,131.56

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Solution

The fourth proportional to 52,325,010.76, 72,207,809.52 and 29,120,131.56 is: 40,185,389.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,325,010.76 : 72,207,809.52 = 29,120,131.56 : x
  2. Step 2: Convert to fraction form
    52,325,010.76/72,207,809.52 = 29,120,131.56/x
  3. Step 3: Cross multiply
    52,325,010.76x = 72,207,809.52 × 29,120,131.56
  4. Step 4: Simplify right side
    52,325,010.76x = 2,102,700,912,881,820.25
  5. Step 5: Solve for x
    x = 2,102,700,912,881,820.25/52,325,010.76
  6. Step 6: Final answer
    x = 40,185,389.02

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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.