Home / 54,856,129.28-75,698,565.12-31,330,040.85

Finding the Fourth Proportional to 54,856,129.28, 75,698,565.12 and 31,330,040.85

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Solution

The fourth proportional to 54,856,129.28, 75,698,565.12 and 31,330,040.85 is: 43,233,803.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,856,129.28 : 75,698,565.12 = 31,330,040.85 : x
  2. Step 2: Convert to fraction form
    54,856,129.28/75,698,565.12 = 31,330,040.85/x
  3. Step 3: Cross multiply
    54,856,129.28x = 75,698,565.12 × 31,330,040.85
  4. Step 4: Simplify right side
    54,856,129.28x = 2,371,639,137,495,985.50
  5. Step 5: Solve for x
    x = 2,371,639,137,495,985.50/54,856,129.28
  6. Step 6: Final answer
    x = 43,233,803.93

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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.