Home / 356,615,663.60-534,923,495.40-126,607,998.80

Finding the Fourth Proportional to 356,615,663.60, 534,923,495.40 and 126,607,998.80

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Solution

The fourth proportional to 356,615,663.60, 534,923,495.40 and 126,607,998.80 is: 189,911,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,615,663.60 : 534,923,495.40 = 126,607,998.80 : x
  2. Step 2: Convert to fraction form
    356,615,663.60/534,923,495.40 = 126,607,998.80/x
  3. Step 3: Cross multiply
    356,615,663.60x = 534,923,495.40 × 126,607,998.80
  4. Step 4: Simplify right side
    356,615,663.60x = 67,725,593,263,695,000
  5. Step 5: Solve for x
    x = 67,725,593,263,695,000/356,615,663.60
  6. Step 6: Final answer
    x = 189,911,998.20

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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.