Home / 137,266,991.20-205,900,312.88-35,031,031.12

Finding the Fourth Proportional to 137,266,991.20, 205,900,312.88 and 35,031,031.12

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Solution

The fourth proportional to 137,266,991.20, 205,900,312.88 and 35,031,031.12 is: 52,546,502.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,266,991.20 : 205,900,312.88 = 35,031,031.12 : x
  2. Step 2: Convert to fraction form
    137,266,991.20/205,900,312.88 = 35,031,031.12/x
  3. Step 3: Cross multiply
    137,266,991.20x = 205,900,312.88 × 35,031,031.12
  4. Step 4: Simplify right side
    137,266,991.20x = 7,212,900,268,117,016
  5. Step 5: Solve for x
    x = 7,212,900,268,117,016/137,266,991.20
  6. Step 6: Final answer
    x = 52,546,502.29

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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.