Home / 237,791,258-356,388,472.92-128,612,070.80

Finding the Fourth Proportional to 237,791,258, 356,388,472.92 and 128,612,070.80

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Solution

The fourth proportional to 237,791,258, 356,388,472.92 and 128,612,070.80 is: 192,756,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,791,258 : 356,388,472.92 = 128,612,070.80 : x
  2. Step 2: Convert to fraction form
    237,791,258/356,388,472.92 = 128,612,070.80/x
  3. Step 3: Cross multiply
    237,791,258x = 356,388,472.92 × 128,612,070.80
  4. Step 4: Simplify right side
    237,791,258x = 45,835,859,511,490,920
  5. Step 5: Solve for x
    x = 45,835,859,511,490,920/237,791,258
  6. Step 6: Final answer
    x = 192,756,705.60

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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.