Home / 79,332,300.10-118,998,450.15-55,145,829.70

Finding the Fourth Proportional to 79,332,300.10, 118,998,450.15 and 55,145,829.70

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Solution

The fourth proportional to 79,332,300.10, 118,998,450.15 and 55,145,829.70 is: 82,718,744.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,332,300.10 : 118,998,450.15 = 55,145,829.70 : x
  2. Step 2: Convert to fraction form
    79,332,300.10/118,998,450.15 = 55,145,829.70/x
  3. Step 3: Cross multiply
    79,332,300.10x = 118,998,450.15 × 55,145,829.70
  4. Step 4: Simplify right side
    79,332,300.10x = 6,562,268,266,535,840
  5. Step 5: Solve for x
    x = 6,562,268,266,535,840/79,332,300.10
  6. Step 6: Final answer
    x = 82,718,744.55

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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.