Home / 117,424,748.80-176,137,123.20-40,722,284.80

Finding the Fourth Proportional to 117,424,748.80, 176,137,123.20 and 40,722,284.80

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Solution

The fourth proportional to 117,424,748.80, 176,137,123.20 and 40,722,284.80 is: 61,083,427.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,424,748.80 : 176,137,123.20 = 40,722,284.80 : x
  2. Step 2: Convert to fraction form
    117,424,748.80/176,137,123.20 = 40,722,284.80/x
  3. Step 3: Cross multiply
    117,424,748.80x = 176,137,123.20 × 40,722,284.80
  4. Step 4: Simplify right side
    117,424,748.80x = 7,172,706,094,803,086
  5. Step 5: Solve for x
    x = 7,172,706,094,803,086/117,424,748.80
  6. Step 6: Final answer
    x = 61,083,427.20

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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.