Home / 77,789,345.19-116,696,681.04-36,331,678.92

Finding the Fourth Proportional to 77,789,345.19, 116,696,681.04 and 36,331,678.92

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Solution

The fourth proportional to 77,789,345.19, 116,696,681.04 and 36,331,678.92 is: 54,503,432.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,789,345.19 : 116,696,681.04 = 36,331,678.92 : x
  2. Step 2: Convert to fraction form
    77,789,345.19/116,696,681.04 = 36,331,678.92/x
  3. Step 3: Cross multiply
    77,789,345.19x = 116,696,681.04 × 36,331,678.92
  4. Step 4: Simplify right side
    77,789,345.19x = 4,239,786,346,574,932
  5. Step 5: Solve for x
    x = 4,239,786,346,574,932/77,789,345.19
  6. Step 6: Final answer
    x = 54,503,432.78

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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.