Home / 42,315,019.60-63,472,529.40-39,764,102.80

Finding the Fourth Proportional to 42,315,019.60, 63,472,529.40 and 39,764,102.80

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Solution

The fourth proportional to 42,315,019.60, 63,472,529.40 and 39,764,102.80 is: 59,646,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,315,019.60 : 63,472,529.40 = 39,764,102.80 : x
  2. Step 2: Convert to fraction form
    42,315,019.60/63,472,529.40 = 39,764,102.80/x
  3. Step 3: Cross multiply
    42,315,019.60x = 63,472,529.40 × 39,764,102.80
  4. Step 4: Simplify right side
    42,315,019.60x = 2,523,928,184,037,622
  5. Step 5: Solve for x
    x = 2,523,928,184,037,622/42,315,019.60
  6. Step 6: Final answer
    x = 59,646,154.20

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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.