Home / 83,827,869.60-125,741,804.40-40,781,148.60

Finding the Fourth Proportional to 83,827,869.60, 125,741,804.40 and 40,781,148.60

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Solution

The fourth proportional to 83,827,869.60, 125,741,804.40 and 40,781,148.60 is: 61,171,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,827,869.60 : 125,741,804.40 = 40,781,148.60 : x
  2. Step 2: Convert to fraction form
    83,827,869.60/125,741,804.40 = 40,781,148.60/x
  3. Step 3: Cross multiply
    83,827,869.60x = 125,741,804.40 × 40,781,148.60
  4. Step 4: Simplify right side
    83,827,869.60x = 5,127,895,210,468,534
  5. Step 5: Solve for x
    x = 5,127,895,210,468,534/83,827,869.60
  6. Step 6: Final answer
    x = 61,171,722.90

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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.