Home / 65,657,900.64-90,612,591.54-36,288,602.04

Finding the Fourth Proportional to 65,657,900.64, 90,612,591.54 and 36,288,602.04

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Solution

The fourth proportional to 65,657,900.64, 90,612,591.54 and 36,288,602.04 is: 50,080,862.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,657,900.64 : 90,612,591.54 = 36,288,602.04 : x
  2. Step 2: Convert to fraction form
    65,657,900.64/90,612,591.54 = 36,288,602.04/x
  3. Step 3: Cross multiply
    65,657,900.64x = 90,612,591.54 × 36,288,602.04
  4. Step 4: Simplify right side
    65,657,900.64x = 3,288,204,274,208,131
  5. Step 5: Solve for x
    x = 3,288,204,274,208,131/65,657,900.64
  6. Step 6: Final answer
    x = 50,080,862.20

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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.