Home / 99,854,438.40-149,781,657.60-48,710,131.20

Finding the Fourth Proportional to 99,854,438.40, 149,781,657.60 and 48,710,131.20

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Solution

The fourth proportional to 99,854,438.40, 149,781,657.60 and 48,710,131.20 is: 73,065,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,854,438.40 : 149,781,657.60 = 48,710,131.20 : x
  2. Step 2: Convert to fraction form
    99,854,438.40/149,781,657.60 = 48,710,131.20/x
  3. Step 3: Cross multiply
    99,854,438.40x = 149,781,657.60 × 48,710,131.20
  4. Step 4: Simplify right side
    99,854,438.40x = 7,295,884,193,049,477
  5. Step 5: Solve for x
    x = 7,295,884,193,049,477/99,854,438.40
  6. Step 6: Final answer
    x = 73,065,196.80

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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.