Home / 146,778,931.60-220,267,930.20-95,536,128.40

Finding the Fourth Proportional to 146,778,931.60, 220,267,930.20 and 95,536,128.40

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Solution

The fourth proportional to 146,778,931.60, 220,267,930.20 and 95,536,128.40 is: 143,368,976.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,778,931.60 : 220,267,930.20 = 95,536,128.40 : x
  2. Step 2: Convert to fraction form
    146,778,931.60/220,267,930.20 = 95,536,128.40/x
  3. Step 3: Cross multiply
    146,778,931.60x = 220,267,930.20 × 95,536,128.40
  4. Step 4: Simplify right side
    146,778,931.60x = 21,043,545,261,989,436
  5. Step 5: Solve for x
    x = 21,043,545,261,989,436/146,778,931.60
  6. Step 6: Final answer
    x = 143,368,976.95

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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.