Home / 163,902,176.70-245,853,265.05-82,272,839.10

Finding the Fourth Proportional to 163,902,176.70, 245,853,265.05 and 82,272,839.10

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Solution

The fourth proportional to 163,902,176.70, 245,853,265.05 and 82,272,839.10 is: 123,409,258.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,902,176.70 : 245,853,265.05 = 82,272,839.10 : x
  2. Step 2: Convert to fraction form
    163,902,176.70/245,853,265.05 = 82,272,839.10/x
  3. Step 3: Cross multiply
    163,902,176.70x = 245,853,265.05 × 82,272,839.10
  4. Step 4: Simplify right side
    163,902,176.70x = 20,227,046,117,668,304
  5. Step 5: Solve for x
    x = 20,227,046,117,668,304/163,902,176.70
  6. Step 6: Final answer
    x = 123,409,258.65

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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.