Home / 43,068,115.20-64,476,201.60-28,707,398.40

Finding the Fourth Proportional to 43,068,115.20, 64,476,201.60 and 28,707,398.40

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Solution

The fourth proportional to 43,068,115.20, 64,476,201.60 and 28,707,398.40 is: 42,977,130.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,068,115.20 : 64,476,201.60 = 28,707,398.40 : x
  2. Step 2: Convert to fraction form
    43,068,115.20/64,476,201.60 = 28,707,398.40/x
  3. Step 3: Cross multiply
    43,068,115.20x = 64,476,201.60 × 28,707,398.40
  4. Step 4: Simplify right side
    43,068,115.20x = 1,850,944,006,649,917.50
  5. Step 5: Solve for x
    x = 1,850,944,006,649,917.50/43,068,115.20
  6. Step 6: Final answer
    x = 42,977,130.48

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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.