Home / 117,622,366.20-176,433,549.30-112,331,575.80

Finding the Fourth Proportional to 117,622,366.20, 176,433,549.30 and 112,331,575.80

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Solution

The fourth proportional to 117,622,366.20, 176,433,549.30 and 112,331,575.80 is: 168,497,363.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,622,366.20 : 176,433,549.30 = 112,331,575.80 : x
  2. Step 2: Convert to fraction form
    117,622,366.20/176,433,549.30 = 112,331,575.80/x
  3. Step 3: Cross multiply
    117,622,366.20x = 176,433,549.30 × 112,331,575.80
  4. Step 4: Simplify right side
    117,622,366.20x = 19,819,058,616,855,988
  5. Step 5: Solve for x
    x = 19,819,058,616,855,988/117,622,366.20
  6. Step 6: Final answer
    x = 168,497,363.70

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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.