Home / 114,924,686.40-172,471,010.40-80,912,462.40

Finding the Fourth Proportional to 114,924,686.40, 172,471,010.40 and 80,912,462.40

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Solution

The fourth proportional to 114,924,686.40, 172,471,010.40 and 80,912,462.40 is: 121,427,820.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,924,686.40 : 172,471,010.40 = 80,912,462.40 : x
  2. Step 2: Convert to fraction form
    114,924,686.40/172,471,010.40 = 80,912,462.40/x
  3. Step 3: Cross multiply
    114,924,686.40x = 172,471,010.40 × 80,912,462.40
  4. Step 4: Simplify right side
    114,924,686.40x = 13,955,054,144,080,010
  5. Step 5: Solve for x
    x = 13,955,054,144,080,010/114,924,686.40
  6. Step 6: Final answer
    x = 121,427,820.09

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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.