Home / 56,810,001.80-85,215,002.70-39,425,976.20

Finding the Fourth Proportional to 56,810,001.80, 85,215,002.70 and 39,425,976.20

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Solution

The fourth proportional to 56,810,001.80, 85,215,002.70 and 39,425,976.20 is: 59,138,964.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,810,001.80 : 85,215,002.70 = 39,425,976.20 : x
  2. Step 2: Convert to fraction form
    56,810,001.80/85,215,002.70 = 39,425,976.20/x
  3. Step 3: Cross multiply
    56,810,001.80x = 85,215,002.70 × 39,425,976.20
  4. Step 4: Simplify right side
    56,810,001.80x = 3,359,684,668,333,136
  5. Step 5: Solve for x
    x = 3,359,684,668,333,136/56,810,001.80
  6. Step 6: Final answer
    x = 59,138,964.30

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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.