Home / 231,336,006.40-347,004,009.60-101,876,978.80

Finding the Fourth Proportional to 231,336,006.40, 347,004,009.60 and 101,876,978.80

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Solution

The fourth proportional to 231,336,006.40, 347,004,009.60 and 101,876,978.80 is: 152,815,468.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,336,006.40 : 347,004,009.60 = 101,876,978.80 : x
  2. Step 2: Convert to fraction form
    231,336,006.40/347,004,009.60 = 101,876,978.80/x
  3. Step 3: Cross multiply
    231,336,006.40x = 347,004,009.60 × 101,876,978.80
  4. Step 4: Simplify right side
    231,336,006.40x = 35,351,720,129,534,196
  5. Step 5: Solve for x
    x = 35,351,720,129,534,196/231,336,006.40
  6. Step 6: Final answer
    x = 152,815,468.20

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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.