Home / 165,889,363.20-248,834,044.80-155,803,372.80

Finding the Fourth Proportional to 165,889,363.20, 248,834,044.80 and 155,803,372.80

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Solution

The fourth proportional to 165,889,363.20, 248,834,044.80 and 155,803,372.80 is: 233,705,059.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,889,363.20 : 248,834,044.80 = 155,803,372.80 : x
  2. Step 2: Convert to fraction form
    165,889,363.20/248,834,044.80 = 155,803,372.80/x
  3. Step 3: Cross multiply
    165,889,363.20x = 248,834,044.80 × 155,803,372.80
  4. Step 4: Simplify right side
    165,889,363.20x = 38,769,183,447,306,304
  5. Step 5: Solve for x
    x = 38,769,183,447,306,304/165,889,363.20
  6. Step 6: Final answer
    x = 233,705,059.20

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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.