Home / 117,520,174.40-176,280,261.60-71,536,020.80

Finding the Fourth Proportional to 117,520,174.40, 176,280,261.60 and 71,536,020.80

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Solution

The fourth proportional to 117,520,174.40, 176,280,261.60 and 71,536,020.80 is: 107,304,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,520,174.40 : 176,280,261.60 = 71,536,020.80 : x
  2. Step 2: Convert to fraction form
    117,520,174.40/176,280,261.60 = 71,536,020.80/x
  3. Step 3: Cross multiply
    117,520,174.40x = 176,280,261.60 × 71,536,020.80
  4. Step 4: Simplify right side
    117,520,174.40x = 12,610,388,460,447,040
  5. Step 5: Solve for x
    x = 12,610,388,460,447,040/117,520,174.40
  6. Step 6: Final answer
    x = 107,304,031.20

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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.