Home / 78,595,540.11-108,459,302.94-45,110,531.34

Finding the Fourth Proportional to 78,595,540.11, 108,459,302.94 and 45,110,531.34

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Solution

The fourth proportional to 78,595,540.11, 108,459,302.94 and 45,110,531.34 is: 62,251,074.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,595,540.11 : 108,459,302.94 = 45,110,531.34 : x
  2. Step 2: Convert to fraction form
    78,595,540.11/108,459,302.94 = 45,110,531.34/x
  3. Step 3: Cross multiply
    78,595,540.11x = 108,459,302.94 × 45,110,531.34
  4. Step 4: Simplify right side
    78,595,540.11x = 4,892,656,784,389,424
  5. Step 5: Solve for x
    x = 4,892,656,784,389,424/78,595,540.11
  6. Step 6: Final answer
    x = 62,251,074.01

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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.