Home / 115,776,007.30-173,664,010.95-72,693,856.90

Finding the Fourth Proportional to 115,776,007.30, 173,664,010.95 and 72,693,856.90

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Solution

The fourth proportional to 115,776,007.30, 173,664,010.95 and 72,693,856.90 is: 109,040,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,776,007.30 : 173,664,010.95 = 72,693,856.90 : x
  2. Step 2: Convert to fraction form
    115,776,007.30/173,664,010.95 = 72,693,856.90/x
  3. Step 3: Cross multiply
    115,776,007.30x = 173,664,010.95 × 72,693,856.90
  4. Step 4: Simplify right side
    115,776,007.30x = 12,624,306,760,679,334
  5. Step 5: Solve for x
    x = 12,624,306,760,679,334/115,776,007.30
  6. Step 6: Final answer
    x = 109,040,785.35

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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.