Home / 220,474,985.90-304,253,066.07-121,353,614.06

Finding the Fourth Proportional to 220,474,985.90, 304,253,066.07 and 121,353,614.06

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Solution

The fourth proportional to 220,474,985.90, 304,253,066.07 and 121,353,614.06 is: 167,466,658.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,474,985.90 : 304,253,066.07 = 121,353,614.06 : x
  2. Step 2: Convert to fraction form
    220,474,985.90/304,253,066.07 = 121,353,614.06/x
  3. Step 3: Cross multiply
    220,474,985.90x = 304,253,066.07 × 121,353,614.06
  4. Step 4: Simplify right side
    220,474,985.90x = 36,922,209,156,430,464
  5. Step 5: Solve for x
    x = 36,922,209,156,430,464/220,474,985.90
  6. Step 6: Final answer
    x = 167,466,658.43

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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.