Home / 118,098,034.74-162,975,390-65,887,081.06

Finding the Fourth Proportional to 118,098,034.74, 162,975,390 and 65,887,081.06

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Solution

The fourth proportional to 118,098,034.74, 162,975,390 and 65,887,081.06 is: 90,924,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,034.74 : 162,975,390 = 65,887,081.06 : x
  2. Step 2: Convert to fraction form
    118,098,034.74/162,975,390 = 65,887,081.06/x
  3. Step 3: Cross multiply
    118,098,034.74x = 162,975,390 × 65,887,081.06
  4. Step 4: Simplify right side
    118,098,034.74x = 10,737,972,731,715,114
  5. Step 5: Solve for x
    x = 10,737,972,731,715,114/118,098,034.74
  6. Step 6: Final answer
    x = 90,924,228.80

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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.