Home / 99,696,320.80-149,544,481.20-61,233,114.40

Finding the Fourth Proportional to 99,696,320.80, 149,544,481.20 and 61,233,114.40

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Solution

The fourth proportional to 99,696,320.80, 149,544,481.20 and 61,233,114.40 is: 91,849,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,696,320.80 : 149,544,481.20 = 61,233,114.40 : x
  2. Step 2: Convert to fraction form
    99,696,320.80/149,544,481.20 = 61,233,114.40/x
  3. Step 3: Cross multiply
    99,696,320.80x = 149,544,481.20 × 61,233,114.40
  4. Step 4: Simplify right side
    99,696,320.80x = 9,157,074,325,208,248
  5. Step 5: Solve for x
    x = 9,157,074,325,208,248/99,696,320.80
  6. Step 6: Final answer
    x = 91,849,671.60

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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.