Home / 442,888,123.60-664,332,185.40-115,363,003.60

Finding the Fourth Proportional to 442,888,123.60, 664,332,185.40 and 115,363,003.60

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Solution

The fourth proportional to 442,888,123.60, 664,332,185.40 and 115,363,003.60 is: 173,044,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,888,123.60 : 664,332,185.40 = 115,363,003.60 : x
  2. Step 2: Convert to fraction form
    442,888,123.60/664,332,185.40 = 115,363,003.60/x
  3. Step 3: Cross multiply
    442,888,123.60x = 664,332,185.40 × 115,363,003.60
  4. Step 4: Simplify right side
    442,888,123.60x = 76,639,356,295,896,064
  5. Step 5: Solve for x
    x = 76,639,356,295,896,064/442,888,123.60
  6. Step 6: Final answer
    x = 173,044,505.40

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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.