Home / 74,037,397.20-111,056,095.80-43,729,659.60

Finding the Fourth Proportional to 74,037,397.20, 111,056,095.80 and 43,729,659.60

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Solution

The fourth proportional to 74,037,397.20, 111,056,095.80 and 43,729,659.60 is: 65,594,489.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,037,397.20 : 111,056,095.80 = 43,729,659.60 : x
  2. Step 2: Convert to fraction form
    74,037,397.20/111,056,095.80 = 43,729,659.60/x
  3. Step 3: Cross multiply
    74,037,397.20x = 111,056,095.80 × 43,729,659.60
  4. Step 4: Simplify right side
    74,037,397.20x = 4,856,445,265,838,990
  5. Step 5: Solve for x
    x = 4,856,445,265,838,990/74,037,397.20
  6. Step 6: Final answer
    x = 65,594,489.40

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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.