Home / 146,746,972.40-220,120,458.60-112,839,465.20

Finding the Fourth Proportional to 146,746,972.40, 220,120,458.60 and 112,839,465.20

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Solution

The fourth proportional to 146,746,972.40, 220,120,458.60 and 112,839,465.20 is: 169,259,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,746,972.40 : 220,120,458.60 = 112,839,465.20 : x
  2. Step 2: Convert to fraction form
    146,746,972.40/220,120,458.60 = 112,839,465.20/x
  3. Step 3: Cross multiply
    146,746,972.40x = 220,120,458.60 × 112,839,465.20
  4. Step 4: Simplify right side
    146,746,972.40x = 24,838,274,828,002,740
  5. Step 5: Solve for x
    x = 24,838,274,828,002,740/146,746,972.40
  6. Step 6: Final answer
    x = 169,259,197.80

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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.