Home / 117,526,418.40-176,289,627.60-71,542,264.80

Finding the Fourth Proportional to 117,526,418.40, 176,289,627.60 and 71,542,264.80

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Solution

The fourth proportional to 117,526,418.40, 176,289,627.60 and 71,542,264.80 is: 107,313,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,526,418.40 : 176,289,627.60 = 71,542,264.80 : x
  2. Step 2: Convert to fraction form
    117,526,418.40/176,289,627.60 = 71,542,264.80/x
  3. Step 3: Cross multiply
    117,526,418.40x = 176,289,627.60 × 71,542,264.80
  4. Step 4: Simplify right side
    117,526,418.40x = 12,612,159,219,252,588
  5. Step 5: Solve for x
    x = 12,612,159,219,252,588/117,526,418.40
  6. Step 6: Final answer
    x = 107,313,397.20

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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.