Home / 69,867,164.17-96,417,339.69-38,506,332.61

Finding the Fourth Proportional to 69,867,164.17, 96,417,339.69 and 38,506,332.61

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Solution

The fourth proportional to 69,867,164.17, 96,417,339.69 and 38,506,332.61 is: 53,139,098.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,867,164.17 : 96,417,339.69 = 38,506,332.61 : x
  2. Step 2: Convert to fraction form
    69,867,164.17/96,417,339.69 = 38,506,332.61/x
  3. Step 3: Cross multiply
    69,867,164.17x = 96,417,339.69 × 38,506,332.61
  4. Step 4: Simplify right side
    69,867,164.17x = 3,712,678,151,474,494
  5. Step 5: Solve for x
    x = 3,712,678,151,474,494/69,867,164.17
  6. Step 6: Final answer
    x = 53,139,098.97

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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.