Home / 61,982,787.28-85,341,543.90-52,670,716.24

Finding the Fourth Proportional to 61,982,787.28, 85,341,543.90 and 52,670,716.24

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Solution

The fourth proportional to 61,982,787.28, 85,341,543.90 and 52,670,716.24 is: 72,520,137.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,982,787.28 : 85,341,543.90 = 52,670,716.24 : x
  2. Step 2: Convert to fraction form
    61,982,787.28/85,341,543.90 = 52,670,716.24/x
  3. Step 3: Cross multiply
    61,982,787.28x = 85,341,543.90 × 52,670,716.24
  4. Step 4: Simplify right side
    61,982,787.28x = 4,495,000,242,240,403.50
  5. Step 5: Solve for x
    x = 4,495,000,242,240,403.50/61,982,787.28
  6. Step 6: Final answer
    x = 72,520,137.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.