Home / 77,031,814.38-106,241,919.15-67,719,473.58

Finding the Fourth Proportional to 77,031,814.38, 106,241,919.15 and 67,719,473.58

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Solution

The fourth proportional to 77,031,814.38, 106,241,919.15 and 67,719,473.58 is: 93,398,382.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,031,814.38 : 106,241,919.15 = 67,719,473.58 : x
  2. Step 2: Convert to fraction form
    77,031,814.38/106,241,919.15 = 67,719,473.58/x
  3. Step 3: Cross multiply
    77,031,814.38x = 106,241,919.15 × 67,719,473.58
  4. Step 4: Simplify right side
    77,031,814.38x = 7,194,646,836,966,921
  5. Step 5: Solve for x
    x = 7,194,646,836,966,921/77,031,814.38
  6. Step 6: Final answer
    x = 93,398,382.15

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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.