Home / 124,848,000.80-187,272,001.20-79,610,343.20

Finding the Fourth Proportional to 124,848,000.80, 187,272,001.20 and 79,610,343.20

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Solution

The fourth proportional to 124,848,000.80, 187,272,001.20 and 79,610,343.20 is: 119,415,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,848,000.80 : 187,272,001.20 = 79,610,343.20 : x
  2. Step 2: Convert to fraction form
    124,848,000.80/187,272,001.20 = 79,610,343.20/x
  3. Step 3: Cross multiply
    124,848,000.80x = 187,272,001.20 × 79,610,343.20
  4. Step 4: Simplify right side
    124,848,000.80x = 14,908,788,287,282,812
  5. Step 5: Solve for x
    x = 14,908,788,287,282,812/124,848,000.80
  6. Step 6: Final answer
    x = 119,415,514.80

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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.