Home / 372,782,100.25-559,253,867.08-142,751,193.11

Finding the Fourth Proportional to 372,782,100.25, 559,253,867.08 and 142,751,193.11

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Solution

The fourth proportional to 372,782,100.25, 559,253,867.08 and 142,751,193.11 is: 214,157,698.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,782,100.25 : 559,253,867.08 = 142,751,193.11 : x
  2. Step 2: Convert to fraction form
    372,782,100.25/559,253,867.08 = 142,751,193.11/x
  3. Step 3: Cross multiply
    372,782,100.25x = 559,253,867.08 × 142,751,193.11
  4. Step 4: Simplify right side
    372,782,100.25x = 79,834,156,774,255,088
  5. Step 5: Solve for x
    x = 79,834,156,774,255,088/372,782,100.25
  6. Step 6: Final answer
    x = 214,157,698.89

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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.