Home / 99,674,681.80-149,540,016.30-48,558,368.20

Finding the Fourth Proportional to 99,674,681.80, 149,540,016.30 and 48,558,368.20

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Solution

The fourth proportional to 99,674,681.80, 149,540,016.30 and 48,558,368.20 is: 72,851,189.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,674,681.80 : 149,540,016.30 = 48,558,368.20 : x
  2. Step 2: Convert to fraction form
    99,674,681.80/149,540,016.30 = 48,558,368.20/x
  3. Step 3: Cross multiply
    99,674,681.80x = 149,540,016.30 × 48,558,368.20
  4. Step 4: Simplify right side
    99,674,681.80x = 7,261,419,172,129,403
  5. Step 5: Solve for x
    x = 7,261,419,172,129,403/99,674,681.80
  6. Step 6: Final answer
    x = 72,851,189.90

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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.