Home / 146,739,503.20-220,109,254.80-144,472,021.60

Finding the Fourth Proportional to 146,739,503.20, 220,109,254.80 and 144,472,021.60

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Solution

The fourth proportional to 146,739,503.20, 220,109,254.80 and 144,472,021.60 is: 216,708,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,739,503.20 : 220,109,254.80 = 144,472,021.60 : x
  2. Step 2: Convert to fraction form
    146,739,503.20/220,109,254.80 = 144,472,021.60/x
  3. Step 3: Cross multiply
    146,739,503.20x = 220,109,254.80 × 144,472,021.60
  4. Step 4: Simplify right side
    146,739,503.20x = 31,799,629,013,825,504
  5. Step 5: Solve for x
    x = 31,799,629,013,825,504/146,739,503.20
  6. Step 6: Final answer
    x = 216,708,032.40

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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.