Home / 72,170,985.80-108,348,857.58-62,000,910.92

Finding the Fourth Proportional to 72,170,985.80, 108,348,857.58 and 62,000,910.92

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Solution

The fourth proportional to 72,170,985.80, 108,348,857.58 and 62,000,910.92 is: 93,080,727.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,170,985.80 : 108,348,857.58 = 62,000,910.92 : x
  2. Step 2: Convert to fraction form
    72,170,985.80/108,348,857.58 = 62,000,910.92/x
  3. Step 3: Cross multiply
    72,170,985.80x = 108,348,857.58 × 62,000,910.92
  4. Step 4: Simplify right side
    72,170,985.80x = 6,717,727,867,101,347
  5. Step 5: Solve for x
    x = 6,717,727,867,101,347/72,170,985.80
  6. Step 6: Final answer
    x = 93,080,727.56

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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.