Home / 181,445,614.80-272,168,422.20-66,433,909.20

Finding the Fourth Proportional to 181,445,614.80, 272,168,422.20 and 66,433,909.20

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Solution

The fourth proportional to 181,445,614.80, 272,168,422.20 and 66,433,909.20 is: 99,650,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,445,614.80 : 272,168,422.20 = 66,433,909.20 : x
  2. Step 2: Convert to fraction form
    181,445,614.80/272,168,422.20 = 66,433,909.20/x
  3. Step 3: Cross multiply
    181,445,614.80x = 272,168,422.20 × 66,433,909.20
  4. Step 4: Simplify right side
    181,445,614.80x = 18,081,212,247,542,064
  5. Step 5: Solve for x
    x = 18,081,212,247,542,064/181,445,614.80
  6. Step 6: Final answer
    x = 99,650,863.80

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1.5x scale

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.