Home / 87,445,561.60-131,168,342.40-26,864,300.80

Finding the Fourth Proportional to 87,445,561.60, 131,168,342.40 and 26,864,300.80

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Solution

The fourth proportional to 87,445,561.60, 131,168,342.40 and 26,864,300.80 is: 40,296,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,445,561.60 : 131,168,342.40 = 26,864,300.80 : x
  2. Step 2: Convert to fraction form
    87,445,561.60/131,168,342.40 = 26,864,300.80/x
  3. Step 3: Cross multiply
    87,445,561.60x = 131,168,342.40 × 26,864,300.80
  4. Step 4: Simplify right side
    87,445,561.60x = 3,523,745,805,670,994
  5. Step 5: Solve for x
    x = 3,523,745,805,670,994/87,445,561.60
  6. Step 6: Final answer
    x = 40,296,451.20

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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.