Home / 57,252,080.20-85,878,120.30-45,914,672.20

Finding the Fourth Proportional to 57,252,080.20, 85,878,120.30 and 45,914,672.20

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Solution

The fourth proportional to 57,252,080.20, 85,878,120.30 and 45,914,672.20 is: 68,872,008.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,252,080.20 : 85,878,120.30 = 45,914,672.20 : x
  2. Step 2: Convert to fraction form
    57,252,080.20/85,878,120.30 = 45,914,672.20/x
  3. Step 3: Cross multiply
    57,252,080.20x = 85,878,120.30 × 45,914,672.20
  4. Step 4: Simplify right side
    57,252,080.20x = 3,943,065,742,726,666
  5. Step 5: Solve for x
    x = 3,943,065,742,726,666/57,252,080.20
  6. Step 6: Final answer
    x = 68,872,008.30

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1.5x scale

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.