Home / 66,120,062.40-99,154,141.20-25,157,746.80

Finding the Fourth Proportional to 66,120,062.40, 99,154,141.20 and 25,157,746.80

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Solution

The fourth proportional to 66,120,062.40, 99,154,141.20 and 25,157,746.80 is: 37,726,745.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,120,062.40 : 99,154,141.20 = 25,157,746.80 : x
  2. Step 2: Convert to fraction form
    66,120,062.40/99,154,141.20 = 25,157,746.80/x
  3. Step 3: Cross multiply
    66,120,062.40x = 99,154,141.20 × 25,157,746.80
  4. Step 4: Simplify right side
    66,120,062.40x = 2,494,494,778,481,048.50
  5. Step 5: Solve for x
    x = 2,494,494,778,481,048.50/66,120,062.40
  6. Step 6: Final answer
    x = 37,726,745.68

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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.