Home / 248,433,331.60-372,667,712.10-75,909,868.30

Finding the Fourth Proportional to 248,433,331.60, 372,667,712.10 and 75,909,868.30

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Solution

The fourth proportional to 248,433,331.60, 372,667,712.10 and 75,909,868.30 is: 113,870,215.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,433,331.60 : 372,667,712.10 = 75,909,868.30 : x
  2. Step 2: Convert to fraction form
    248,433,331.60/372,667,712.10 = 75,909,868.30/x
  3. Step 3: Cross multiply
    248,433,331.60x = 372,667,712.10 × 75,909,868.30
  4. Step 4: Simplify right side
    248,433,331.60x = 28,289,156,945,173,316
  5. Step 5: Solve for x
    x = 28,289,156,945,173,316/248,433,331.60
  6. Step 6: Final answer
    x = 113,870,215.25

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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.