Home / 75,272,500.10-112,909,988.10-20,684,744.30

Finding the Fourth Proportional to 75,272,500.10, 112,909,988.10 and 20,684,744.30

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Solution

The fourth proportional to 75,272,500.10, 112,909,988.10 and 20,684,744.30 is: 31,027,456.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,272,500.10 : 112,909,988.10 = 20,684,744.30 : x
  2. Step 2: Convert to fraction form
    75,272,500.10/112,909,988.10 = 20,684,744.30/x
  3. Step 3: Cross multiply
    75,272,500.10x = 112,909,988.10 × 20,684,744.30
  4. Step 4: Simplify right side
    75,272,500.10x = 2,335,514,232,764,543
  5. Step 5: Solve for x
    x = 2,335,514,232,764,543/75,272,500.10
  6. Step 6: Final answer
    x = 31,027,456.64

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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.