Home / 161,864,347.82-223,359,304.28-91,296,068.90

Finding the Fourth Proportional to 161,864,347.82, 223,359,304.28 and 91,296,068.90

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Solution

The fourth proportional to 161,864,347.82, 223,359,304.28 and 91,296,068.90 is: 125,980,963.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,864,347.82 : 223,359,304.28 = 91,296,068.90 : x
  2. Step 2: Convert to fraction form
    161,864,347.82/223,359,304.28 = 91,296,068.90/x
  3. Step 3: Cross multiply
    161,864,347.82x = 223,359,304.28 × 91,296,068.90
  4. Step 4: Simplify right side
    161,864,347.82x = 20,391,826,431,429,668
  5. Step 5: Solve for x
    x = 20,391,826,431,429,668/161,864,347.82
  6. Step 6: Final answer
    x = 125,980,963.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.