Home / 98,288,375.60-147,715,998.60-85,817,226.80

Finding the Fourth Proportional to 98,288,375.60, 147,715,998.60 and 85,817,226.80

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Solution

The fourth proportional to 98,288,375.60, 147,715,998.60 and 85,817,226.80 is: 128,973,312.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,288,375.60 : 147,715,998.60 = 85,817,226.80 : x
  2. Step 2: Convert to fraction form
    98,288,375.60/147,715,998.60 = 85,817,226.80/x
  3. Step 3: Cross multiply
    98,288,375.60x = 147,715,998.60 × 85,817,226.80
  4. Step 4: Simplify right side
    98,288,375.60x = 12,676,577,353,844,682
  5. Step 5: Solve for x
    x = 12,676,577,353,844,682/98,288,375.60
  6. Step 6: Final answer
    x = 128,973,312.22

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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.