Home / 29,236,354.60-43,854,531.90-20,166,428.20

Finding the Fourth Proportional to 29,236,354.60, 43,854,531.90 and 20,166,428.20

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Solution

The fourth proportional to 29,236,354.60, 43,854,531.90 and 20,166,428.20 is: 30,249,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,236,354.60 : 43,854,531.90 = 20,166,428.20 : x
  2. Step 2: Convert to fraction form
    29,236,354.60/43,854,531.90 = 20,166,428.20/x
  3. Step 3: Cross multiply
    29,236,354.60x = 43,854,531.90 × 20,166,428.20
  4. Step 4: Simplify right side
    29,236,354.60x = 884,389,268,805,959.50
  5. Step 5: Solve for x
    x = 884,389,268,805,959.50/29,236,354.60
  6. Step 6: Final answer
    x = 30,249,642.30

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Double scale
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Similar ratio
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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.