Home / 378,087,232.60-567,130,848.90-147,979,840.60

Finding the Fourth Proportional to 378,087,232.60, 567,130,848.90 and 147,979,840.60

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Solution

The fourth proportional to 378,087,232.60, 567,130,848.90 and 147,979,840.60 is: 221,969,760.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,087,232.60 : 567,130,848.90 = 147,979,840.60 : x
  2. Step 2: Convert to fraction form
    378,087,232.60/567,130,848.90 = 147,979,840.60/x
  3. Step 3: Cross multiply
    378,087,232.60x = 567,130,848.90 × 147,979,840.60
  4. Step 4: Simplify right side
    378,087,232.60x = 83,923,932,619,564,672
  5. Step 5: Solve for x
    x = 83,923,932,619,564,672/378,087,232.60
  6. Step 6: Final answer
    x = 221,969,760.90

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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.