Home / 147,431,147.80-221,146,721.70-144,561,366.40

Finding the Fourth Proportional to 147,431,147.80, 221,146,721.70 and 144,561,366.40

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Solution

The fourth proportional to 147,431,147.80, 221,146,721.70 and 144,561,366.40 is: 216,842,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,431,147.80 : 221,146,721.70 = 144,561,366.40 : x
  2. Step 2: Convert to fraction form
    147,431,147.80/221,146,721.70 = 144,561,366.40/x
  3. Step 3: Cross multiply
    147,431,147.80x = 221,146,721.70 × 144,561,366.40
  4. Step 4: Simplify right side
    147,431,147.80x = 31,969,272,263,832,532
  5. Step 5: Solve for x
    x = 31,969,272,263,832,532/147,431,147.80
  6. Step 6: Final answer
    x = 216,842,049.60

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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.