Home / 157,098,661.46-216,788,140.12-86,532,752.57

Finding the Fourth Proportional to 157,098,661.46, 216,788,140.12 and 86,532,752.57

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Solution

The fourth proportional to 157,098,661.46, 216,788,140.12 and 86,532,752.57 is: 119,410,785.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,098,661.46 : 216,788,140.12 = 86,532,752.57 : x
  2. Step 2: Convert to fraction form
    157,098,661.46/216,788,140.12 = 86,532,752.57/x
  3. Step 3: Cross multiply
    157,098,661.46x = 216,788,140.12 × 86,532,752.57
  4. Step 4: Simplify right side
    157,098,661.46x = 18,759,274,488,952,272
  5. Step 5: Solve for x
    x = 18,759,274,488,952,272/157,098,661.46
  6. Step 6: Final answer
    x = 119,410,785.01

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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.