Home / 72,761,512.40-109,157,431.80-24,254,435.60

Finding the Fourth Proportional to 72,761,512.40, 109,157,431.80 and 24,254,435.60

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Solution

The fourth proportional to 72,761,512.40, 109,157,431.80 and 24,254,435.60 is: 36,386,707.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,761,512.40 : 109,157,431.80 = 24,254,435.60 : x
  2. Step 2: Convert to fraction form
    72,761,512.40/109,157,431.80 = 24,254,435.60/x
  3. Step 3: Cross multiply
    72,761,512.40x = 109,157,431.80 × 24,254,435.60
  4. Step 4: Simplify right side
    72,761,512.40x = 2,647,551,899,854,492
  5. Step 5: Solve for x
    x = 2,647,551,899,854,492/72,761,512.40
  6. Step 6: Final answer
    x = 36,386,707.92

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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.