Home / 52,992,001.60-79,488,002.40-18,914,459.20

Finding the Fourth Proportional to 52,992,001.60, 79,488,002.40 and 18,914,459.20

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Solution

The fourth proportional to 52,992,001.60, 79,488,002.40 and 18,914,459.20 is: 28,371,688.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,992,001.60 : 79,488,002.40 = 18,914,459.20 : x
  2. Step 2: Convert to fraction form
    52,992,001.60/79,488,002.40 = 18,914,459.20/x
  3. Step 3: Cross multiply
    52,992,001.60x = 79,488,002.40 × 18,914,459.20
  4. Step 4: Simplify right side
    52,992,001.60x = 1,503,472,578,284,302.25
  5. Step 5: Solve for x
    x = 1,503,472,578,284,302.25/52,992,001.60
  6. Step 6: Final answer
    x = 28,371,688.80

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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.