Home / 372,782,102.75-559,253,870.84-142,751,195.61

Finding the Fourth Proportional to 372,782,102.75, 559,253,870.84 and 142,751,195.61

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Solution

The fourth proportional to 372,782,102.75, 559,253,870.84 and 142,751,195.61 is: 214,157,702.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,782,102.75 : 559,253,870.84 = 142,751,195.61 : x
  2. Step 2: Convert to fraction form
    372,782,102.75/559,253,870.84 = 142,751,195.61/x
  3. Step 3: Cross multiply
    372,782,102.75x = 559,253,870.84 × 142,751,195.61
  4. Step 4: Simplify right side
    372,782,102.75x = 79,834,158,711,216,768
  5. Step 5: Solve for x
    x = 79,834,158,711,216,768/372,782,102.75
  6. Step 6: Final answer
    x = 214,157,702.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.