Home / 52,489,310.80-78,733,966.20-45,182,981.20

Finding the Fourth Proportional to 52,489,310.80, 78,733,966.20 and 45,182,981.20

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Solution

The fourth proportional to 52,489,310.80, 78,733,966.20 and 45,182,981.20 is: 67,774,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,489,310.80 : 78,733,966.20 = 45,182,981.20 : x
  2. Step 2: Convert to fraction form
    52,489,310.80/78,733,966.20 = 45,182,981.20/x
  3. Step 3: Cross multiply
    52,489,310.80x = 78,733,966.20 × 45,182,981.20
  4. Step 4: Simplify right side
    52,489,310.80x = 3,557,435,314,616,036
  5. Step 5: Solve for x
    x = 3,557,435,314,616,036/52,489,310.80
  6. Step 6: Final answer
    x = 67,774,471.80

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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.