Home / 47,445,889.60-71,027,116.80-28,266,774.40

Finding the Fourth Proportional to 47,445,889.60, 71,027,116.80 and 28,266,774.40

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Solution

The fourth proportional to 47,445,889.60, 71,027,116.80 and 28,266,774.40 is: 42,315,730.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,445,889.60 : 71,027,116.80 = 28,266,774.40 : x
  2. Step 2: Convert to fraction form
    47,445,889.60/71,027,116.80 = 28,266,774.40/x
  3. Step 3: Cross multiply
    47,445,889.60x = 71,027,116.80 × 28,266,774.40
  4. Step 4: Simplify right side
    47,445,889.60x = 2,007,707,486,868,049.75
  5. Step 5: Solve for x
    x = 2,007,707,486,868,049.75/47,445,889.60
  6. Step 6: Final answer
    x = 42,315,730.69

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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.