Home / 124,664,540.40-186,996,810.60-56,640,092.40

Finding the Fourth Proportional to 124,664,540.40, 186,996,810.60 and 56,640,092.40

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Solution

The fourth proportional to 124,664,540.40, 186,996,810.60 and 56,640,092.40 is: 84,960,138.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,664,540.40 : 186,996,810.60 = 56,640,092.40 : x
  2. Step 2: Convert to fraction form
    124,664,540.40/186,996,810.60 = 56,640,092.40/x
  3. Step 3: Cross multiply
    124,664,540.40x = 186,996,810.60 × 56,640,092.40
  4. Step 4: Simplify right side
    124,664,540.40x = 10,591,516,630,889,298
  5. Step 5: Solve for x
    x = 10,591,516,630,889,298/124,664,540.40
  6. Step 6: Final answer
    x = 84,960,138.60

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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.