Home / 99,696,031.20-149,544,046.80-45,948,319.20

Finding the Fourth Proportional to 99,696,031.20, 149,544,046.80 and 45,948,319.20

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Solution

The fourth proportional to 99,696,031.20, 149,544,046.80 and 45,948,319.20 is: 68,922,478.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,696,031.20 : 149,544,046.80 = 45,948,319.20 : x
  2. Step 2: Convert to fraction form
    99,696,031.20/149,544,046.80 = 45,948,319.20/x
  3. Step 3: Cross multiply
    99,696,031.20x = 149,544,046.80 × 45,948,319.20
  4. Step 4: Simplify right side
    99,696,031.20x = 6,871,297,596,826,140
  5. Step 5: Solve for x
    x = 6,871,297,596,826,140/99,696,031.20
  6. Step 6: Final answer
    x = 68,922,478.80

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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.