Home / 127,872,811.20-191,588,767.20-59,575,425.60

Finding the Fourth Proportional to 127,872,811.20, 191,588,767.20 and 59,575,425.60

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Solution

The fourth proportional to 127,872,811.20, 191,588,767.20 and 59,575,425.60 is: 89,260,431.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,872,811.20 : 191,588,767.20 = 59,575,425.60 : x
  2. Step 2: Convert to fraction form
    127,872,811.20/191,588,767.20 = 59,575,425.60/x
  3. Step 3: Cross multiply
    127,872,811.20x = 191,588,767.20 × 59,575,425.60
  4. Step 4: Simplify right side
    127,872,811.20x = 11,413,982,346,119,320
  5. Step 5: Solve for x
    x = 11,413,982,346,119,320/127,872,811.20
  6. Step 6: Final answer
    x = 89,260,431.82

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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.