Home / 310,832,438.28-428,946,543.92-169,703,654.28

Finding the Fourth Proportional to 310,832,438.28, 428,946,543.92 and 169,703,654.28

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Solution

The fourth proportional to 310,832,438.28, 428,946,543.92 and 169,703,654.28 is: 234,189,830.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,832,438.28 : 428,946,543.92 = 169,703,654.28 : x
  2. Step 2: Convert to fraction form
    310,832,438.28/428,946,543.92 = 169,703,654.28/x
  3. Step 3: Cross multiply
    310,832,438.28x = 428,946,543.92 × 169,703,654.28
  4. Step 4: Simplify right side
    310,832,438.28x = 72,793,795,994,000,512
  5. Step 5: Solve for x
    x = 72,793,795,994,000,512/310,832,438.28
  6. Step 6: Final answer
    x = 234,189,830.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.