Home / 89,728,036.40-123,866,059.41-52,553,184.86

Finding the Fourth Proportional to 89,728,036.40, 123,866,059.41 and 52,553,184.86

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Solution

The fourth proportional to 89,728,036.40, 123,866,059.41 and 52,553,184.86 is: 72,547,624.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,728,036.40 : 123,866,059.41 = 52,553,184.86 : x
  2. Step 2: Convert to fraction form
    89,728,036.40/123,866,059.41 = 52,553,184.86/x
  3. Step 3: Cross multiply
    89,728,036.40x = 123,866,059.41 × 52,553,184.86
  4. Step 4: Simplify right side
    89,728,036.40x = 6,509,555,917,434,142
  5. Step 5: Solve for x
    x = 6,509,555,917,434,142/89,728,036.40
  6. Step 6: Final answer
    x = 72,547,624.79

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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.