Home / 89,050,612.80-133,575,919.20-68,870,337.60

Finding the Fourth Proportional to 89,050,612.80, 133,575,919.20 and 68,870,337.60

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Solution

The fourth proportional to 89,050,612.80, 133,575,919.20 and 68,870,337.60 is: 103,305,506.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,050,612.80 : 133,575,919.20 = 68,870,337.60 : x
  2. Step 2: Convert to fraction form
    89,050,612.80/133,575,919.20 = 68,870,337.60/x
  3. Step 3: Cross multiply
    89,050,612.80x = 133,575,919.20 × 68,870,337.60
  4. Step 4: Simplify right side
    89,050,612.80x = 9,199,418,650,534,322
  5. Step 5: Solve for x
    x = 9,199,418,650,534,322/89,050,612.80
  6. Step 6: Final answer
    x = 103,305,506.40

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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.