Home / 99,854,538.20-149,781,807.30-48,769,328.60

Finding the Fourth Proportional to 99,854,538.20, 149,781,807.30 and 48,769,328.60

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Solution

The fourth proportional to 99,854,538.20, 149,781,807.30 and 48,769,328.60 is: 73,153,992.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,854,538.20 : 149,781,807.30 = 48,769,328.60 : x
  2. Step 2: Convert to fraction form
    99,854,538.20/149,781,807.30 = 48,769,328.60/x
  3. Step 3: Cross multiply
    99,854,538.20x = 149,781,807.30 × 48,769,328.60
  4. Step 4: Simplify right side
    99,854,538.20x = 7,304,758,178,515,580
  5. Step 5: Solve for x
    x = 7,304,758,178,515,580/99,854,538.20
  6. Step 6: Final answer
    x = 73,153,992.90

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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.