Home / 79,134,066.70-118,701,100.05-65,529,177.10

Finding the Fourth Proportional to 79,134,066.70, 118,701,100.05 and 65,529,177.10

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Solution

The fourth proportional to 79,134,066.70, 118,701,100.05 and 65,529,177.10 is: 98,293,765.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,134,066.70 : 118,701,100.05 = 65,529,177.10 : x
  2. Step 2: Convert to fraction form
    79,134,066.70/118,701,100.05 = 65,529,177.10/x
  3. Step 3: Cross multiply
    79,134,066.70x = 118,701,100.05 × 65,529,177.10
  4. Step 4: Simplify right side
    79,134,066.70x = 7,778,385,407,141,269
  5. Step 5: Solve for x
    x = 7,778,385,407,141,269/79,134,066.70
  6. Step 6: Final answer
    x = 98,293,765.65

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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.