Home / 91,214,686.34-125,874,711.46-49,398,412.76

Finding the Fourth Proportional to 91,214,686.34, 125,874,711.46 and 49,398,412.76

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Solution

The fourth proportional to 91,214,686.34, 125,874,711.46 and 49,398,412.76 is: 68,168,967.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,214,686.34 : 125,874,711.46 = 49,398,412.76 : x
  2. Step 2: Convert to fraction form
    91,214,686.34/125,874,711.46 = 49,398,412.76/x
  3. Step 3: Cross multiply
    91,214,686.34x = 125,874,711.46 × 49,398,412.76
  4. Step 4: Simplify right side
    91,214,686.34x = 6,218,010,952,746,982
  5. Step 5: Solve for x
    x = 6,218,010,952,746,982/91,214,686.34
  6. Step 6: Final answer
    x = 68,168,967.11

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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.