Home / 137,590,565.82-189,869,246.46-74,866,910.10

Finding the Fourth Proportional to 137,590,565.82, 189,869,246.46 and 74,866,910.10

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Solution

The fourth proportional to 137,590,565.82, 189,869,246.46 and 74,866,910.10 is: 103,313,215.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,590,565.82 : 189,869,246.46 = 74,866,910.10 : x
  2. Step 2: Convert to fraction form
    137,590,565.82/189,869,246.46 = 74,866,910.10/x
  3. Step 3: Cross multiply
    137,590,565.82x = 189,869,246.46 × 74,866,910.10
  4. Step 4: Simplify right side
    137,590,565.82x = 14,214,923,805,475,562
  5. Step 5: Solve for x
    x = 14,214,923,805,475,562/137,590,565.82
  6. Step 6: Final answer
    x = 103,313,215.70

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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.