Home / 115,900,523.60-173,850,785.40-69,984,021.20

Finding the Fourth Proportional to 115,900,523.60, 173,850,785.40 and 69,984,021.20

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Solution

The fourth proportional to 115,900,523.60, 173,850,785.40 and 69,984,021.20 is: 104,976,031.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,900,523.60 : 173,850,785.40 = 69,984,021.20 : x
  2. Step 2: Convert to fraction form
    115,900,523.60/173,850,785.40 = 69,984,021.20/x
  3. Step 3: Cross multiply
    115,900,523.60x = 173,850,785.40 × 69,984,021.20
  4. Step 4: Simplify right side
    115,900,523.60x = 12,166,777,051,070,252
  5. Step 5: Solve for x
    x = 12,166,777,051,070,252/115,900,523.60
  6. Step 6: Final answer
    x = 104,976,031.80

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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.