Home / 437,220,018.95-655,944,890.27-157,129,212.96

Finding the Fourth Proportional to 437,220,018.95, 655,944,890.27 and 157,129,212.96

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Solution

The fourth proportional to 437,220,018.95, 655,944,890.27 and 157,129,212.96 is: 235,735,098.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,220,018.95 : 655,944,890.27 = 157,129,212.96 : x
  2. Step 2: Convert to fraction form
    437,220,018.95/655,944,890.27 = 157,129,212.96/x
  3. Step 3: Cross multiply
    437,220,018.95x = 655,944,890.27 × 157,129,212.96
  4. Step 4: Simplify right side
    437,220,018.95x = 103,068,104,352,473,024
  5. Step 5: Solve for x
    x = 103,068,104,352,473,024/437,220,018.95
  6. Step 6: Final answer
    x = 235,735,098.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.