Home / 249,535,404.20-374,328,119.10-85,751,589.80

Finding the Fourth Proportional to 249,535,404.20, 374,328,119.10 and 85,751,589.80

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Solution

The fourth proportional to 249,535,404.20, 374,328,119.10 and 85,751,589.80 is: 128,635,980.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,535,404.20 : 374,328,119.10 = 85,751,589.80 : x
  2. Step 2: Convert to fraction form
    249,535,404.20/374,328,119.10 = 85,751,589.80/x
  3. Step 3: Cross multiply
    249,535,404.20x = 374,328,119.10 × 85,751,589.80
  4. Step 4: Simplify right side
    249,535,404.20x = 32,099,231,319,668,748
  5. Step 5: Solve for x
    x = 32,099,231,319,668,748/249,535,404.20
  6. Step 6: Final answer
    x = 128,635,980.22

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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.