Home / 48,291,844.80-72,437,767.20-12,390,052.80

Finding the Fourth Proportional to 48,291,844.80, 72,437,767.20 and 12,390,052.80

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Solution

The fourth proportional to 48,291,844.80, 72,437,767.20 and 12,390,052.80 is: 18,585,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,291,844.80 : 72,437,767.20 = 12,390,052.80 : x
  2. Step 2: Convert to fraction form
    48,291,844.80/72,437,767.20 = 12,390,052.80/x
  3. Step 3: Cross multiply
    48,291,844.80x = 72,437,767.20 × 12,390,052.80
  4. Step 4: Simplify right side
    48,291,844.80x = 897,507,760,322,108.25
  5. Step 5: Solve for x
    x = 897,507,760,322,108.25/48,291,844.80
  6. Step 6: Final answer
    x = 18,585,079.20

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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.