Home / 45,516,882.20-68,275,323.30-42,056,581.40

Finding the Fourth Proportional to 45,516,882.20, 68,275,323.30 and 42,056,581.40

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Solution

The fourth proportional to 45,516,882.20, 68,275,323.30 and 42,056,581.40 is: 63,084,872.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,516,882.20 : 68,275,323.30 = 42,056,581.40 : x
  2. Step 2: Convert to fraction form
    45,516,882.20/68,275,323.30 = 42,056,581.40/x
  3. Step 3: Cross multiply
    45,516,882.20x = 68,275,323.30 × 42,056,581.40
  4. Step 4: Simplify right side
    45,516,882.20x = 2,871,426,691,977,766.50
  5. Step 5: Solve for x
    x = 2,871,426,691,977,766.50/45,516,882.20
  6. Step 6: Final answer
    x = 63,084,872.10

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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.