Home / 52,992,001.80-79,488,002.70-52,656,078.60

Finding the Fourth Proportional to 52,992,001.80, 79,488,002.70 and 52,656,078.60

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Solution

The fourth proportional to 52,992,001.80, 79,488,002.70 and 52,656,078.60 is: 78,984,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,992,001.80 : 79,488,002.70 = 52,656,078.60 : x
  2. Step 2: Convert to fraction form
    52,992,001.80/79,488,002.70 = 52,656,078.60/x
  3. Step 3: Cross multiply
    52,992,001.80x = 79,488,002.70 × 52,656,078.60
  4. Step 4: Simplify right side
    52,992,001.80x = 4,185,526,517,928,212.50
  5. Step 5: Solve for x
    x = 4,185,526,517,928,212.50/52,992,001.80
  6. Step 6: Final answer
    x = 78,984,117.90

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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.