Home / 99,696,078.20-149,544,117.30-45,948,366.20

Finding the Fourth Proportional to 99,696,078.20, 149,544,117.30 and 45,948,366.20

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Solution

The fourth proportional to 99,696,078.20, 149,544,117.30 and 45,948,366.20 is: 68,922,549.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,696,078.20 : 149,544,117.30 = 45,948,366.20 : x
  2. Step 2: Convert to fraction form
    99,696,078.20/149,544,117.30 = 45,948,366.20/x
  3. Step 3: Cross multiply
    99,696,078.20x = 149,544,117.30 × 45,948,366.20
  4. Step 4: Simplify right side
    99,696,078.20x = 6,871,307,864,756,156
  5. Step 5: Solve for x
    x = 6,871,307,864,756,156/99,696,078.20
  6. Step 6: Final answer
    x = 68,922,549.30

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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.