Home / 79,134,066.20-118,701,099.30-65,529,176.60

Finding the Fourth Proportional to 79,134,066.20, 118,701,099.30 and 65,529,176.60

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Solution

The fourth proportional to 79,134,066.20, 118,701,099.30 and 65,529,176.60 is: 98,293,764.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,134,066.20 : 118,701,099.30 = 65,529,176.60 : x
  2. Step 2: Convert to fraction form
    79,134,066.20/118,701,099.30 = 65,529,176.60/x
  3. Step 3: Cross multiply
    79,134,066.20x = 118,701,099.30 × 65,529,176.60
  4. Step 4: Simplify right side
    79,134,066.20x = 7,778,385,298,643,836
  5. Step 5: Solve for x
    x = 7,778,385,298,643,836/79,134,066.20
  6. Step 6: Final answer
    x = 98,293,764.90

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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.