Home / 75,168,001.60-112,752,002.40-52,493,185.60

Finding the Fourth Proportional to 75,168,001.60, 112,752,002.40 and 52,493,185.60

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Solution

The fourth proportional to 75,168,001.60, 112,752,002.40 and 52,493,185.60 is: 78,739,778.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,168,001.60 : 112,752,002.40 = 52,493,185.60 : x
  2. Step 2: Convert to fraction form
    75,168,001.60/112,752,002.40 = 52,493,185.60/x
  3. Step 3: Cross multiply
    75,168,001.60x = 112,752,002.40 × 52,493,185.60
  4. Step 4: Simplify right side
    75,168,001.60x = 5,918,711,788,754,846
  5. Step 5: Solve for x
    x = 5,918,711,788,754,846/75,168,001.60
  6. Step 6: Final answer
    x = 78,739,778.40

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1.5x scale

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.