Home / 66,519,272.40-99,816,233.40-28,174,261.20

Finding the Fourth Proportional to 66,519,272.40, 99,816,233.40 and 28,174,261.20

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Solution

The fourth proportional to 66,519,272.40, 99,816,233.40 and 28,174,261.20 is: 42,277,200.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,519,272.40 : 99,816,233.40 = 28,174,261.20 : x
  2. Step 2: Convert to fraction form
    66,519,272.40/99,816,233.40 = 28,174,261.20/x
  3. Step 3: Cross multiply
    66,519,272.40x = 99,816,233.40 × 28,174,261.20
  4. Step 4: Simplify right side
    66,519,272.40x = 2,812,248,631,811,764
  5. Step 5: Solve for x
    x = 2,812,248,631,811,764/66,519,272.40
  6. Step 6: Final answer
    x = 42,277,200.73

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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.