Home / 52,177,327.20-77,914,623.60-42,611,680.80

Finding the Fourth Proportional to 52,177,327.20, 77,914,623.60 and 42,611,680.80

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Solution

The fourth proportional to 52,177,327.20, 77,914,623.60 and 42,611,680.80 is: 63,630,569.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,177,327.20 : 77,914,623.60 = 42,611,680.80 : x
  2. Step 2: Convert to fraction form
    52,177,327.20/77,914,623.60 = 42,611,680.80/x
  3. Step 3: Cross multiply
    52,177,327.20x = 77,914,623.60 × 42,611,680.80
  4. Step 4: Simplify right side
    52,177,327.20x = 3,320,073,070,495,346.50
  5. Step 5: Solve for x
    x = 3,320,073,070,495,346.50/52,177,327.20
  6. Step 6: Final answer
    x = 63,630,569.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.