Home / 77,162,221.28-106,435,429.38-45,778,051.16

Finding the Fourth Proportional to 77,162,221.28, 106,435,429.38 and 45,778,051.16

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Solution

The fourth proportional to 77,162,221.28, 106,435,429.38 and 45,778,051.16 is: 63,144,974.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,162,221.28 : 106,435,429.38 = 45,778,051.16 : x
  2. Step 2: Convert to fraction form
    77,162,221.28/106,435,429.38 = 45,778,051.16/x
  3. Step 3: Cross multiply
    77,162,221.28x = 106,435,429.38 × 45,778,051.16
  4. Step 4: Simplify right side
    77,162,221.28x = 4,872,406,531,394,206
  5. Step 5: Solve for x
    x = 4,872,406,531,394,206/77,162,221.28
  6. Step 6: Final answer
    x = 63,144,974.97

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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.