Home / 60,480,178.10-90,720,267.15-55,218,912.20

Finding the Fourth Proportional to 60,480,178.10, 90,720,267.15 and 55,218,912.20

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Solution

The fourth proportional to 60,480,178.10, 90,720,267.15 and 55,218,912.20 is: 82,828,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,480,178.10 : 90,720,267.15 = 55,218,912.20 : x
  2. Step 2: Convert to fraction form
    60,480,178.10/90,720,267.15 = 55,218,912.20/x
  3. Step 3: Cross multiply
    60,480,178.10x = 90,720,267.15 × 55,218,912.20
  4. Step 4: Simplify right side
    60,480,178.10x = 5,009,474,466,516,395
  5. Step 5: Solve for x
    x = 5,009,474,466,516,395/60,480,178.10
  6. Step 6: Final answer
    x = 82,828,368.30

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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.