Home / 189,030,065.80-283,607,997.90-67,871,000.20

Finding the Fourth Proportional to 189,030,065.80, 283,607,997.90 and 67,871,000.20

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Solution

The fourth proportional to 189,030,065.80, 283,607,997.90 and 67,871,000.20 is: 101,829,084.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,030,065.80 : 283,607,997.90 = 67,871,000.20 : x
  2. Step 2: Convert to fraction form
    189,030,065.80/283,607,997.90 = 67,871,000.20/x
  3. Step 3: Cross multiply
    189,030,065.80x = 283,607,997.90 × 67,871,000.20
  4. Step 4: Simplify right side
    189,030,065.80x = 19,248,758,482,192,500
  5. Step 5: Solve for x
    x = 19,248,758,482,192,500/189,030,065.80
  6. Step 6: Final answer
    x = 101,829,084.18

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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.