Home / 100,926,285.46-139,278,330-54,516,539.80

Finding the Fourth Proportional to 100,926,285.46, 139,278,330 and 54,516,539.80

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Solution

The fourth proportional to 100,926,285.46, 139,278,330 and 54,516,539.80 is: 75,232,855.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,926,285.46 : 139,278,330 = 54,516,539.80 : x
  2. Step 2: Convert to fraction form
    100,926,285.46/139,278,330 = 54,516,539.80/x
  3. Step 3: Cross multiply
    100,926,285.46x = 139,278,330 × 54,516,539.80
  4. Step 4: Simplify right side
    100,926,285.46x = 7,592,972,620,722,534
  5. Step 5: Solve for x
    x = 7,592,972,620,722,534/100,926,285.46
  6. Step 6: Final answer
    x = 75,232,855.21

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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.