Home / 91,933,018.12-126,867,949.14-50,679,005.32

Finding the Fourth Proportional to 91,933,018.12, 126,867,949.14 and 50,679,005.32

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Solution

The fourth proportional to 91,933,018.12, 126,867,949.14 and 50,679,005.32 is: 69,937,239.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,933,018.12 : 126,867,949.14 = 50,679,005.32 : x
  2. Step 2: Convert to fraction form
    91,933,018.12/126,867,949.14 = 50,679,005.32/x
  3. Step 3: Cross multiply
    91,933,018.12x = 126,867,949.14 × 50,679,005.32
  4. Step 4: Simplify right side
    91,933,018.12x = 6,429,541,469,403,549
  5. Step 5: Solve for x
    x = 6,429,541,469,403,549/91,933,018.12
  6. Step 6: Final answer
    x = 69,937,239.10

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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.