Home / 118,098,052.11-162,975,071.32-65,883,973.86

Finding the Fourth Proportional to 118,098,052.11, 162,975,071.32 and 65,883,973.86

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Solution

The fourth proportional to 118,098,052.11, 162,975,071.32 and 65,883,973.86 is: 90,919,749.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,098,052.11 : 162,975,071.32 = 65,883,973.86 : x
  2. Step 2: Convert to fraction form
    118,098,052.11/162,975,071.32 = 65,883,973.86/x
  3. Step 3: Cross multiply
    118,098,052.11x = 162,975,071.32 × 65,883,973.86
  4. Step 4: Simplify right side
    118,098,052.11x = 10,737,445,338,513,806
  5. Step 5: Solve for x
    x = 10,737,445,338,513,806/118,098,052.11
  6. Step 6: Final answer
    x = 90,919,749.71

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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.