Home / 138,603,292.79-191,241,965.17-82,059,962.29

Finding the Fourth Proportional to 138,603,292.79, 191,241,965.17 and 82,059,962.29

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Solution

The fourth proportional to 138,603,292.79, 191,241,965.17 and 82,059,962.29 is: 113,224,643.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,603,292.79 : 191,241,965.17 = 82,059,962.29 : x
  2. Step 2: Convert to fraction form
    138,603,292.79/191,241,965.17 = 82,059,962.29/x
  3. Step 3: Cross multiply
    138,603,292.79x = 191,241,965.17 × 82,059,962.29
  4. Step 4: Simplify right side
    138,603,292.79x = 15,693,308,450,815,900
  5. Step 5: Solve for x
    x = 15,693,308,450,815,900/138,603,292.79
  6. Step 6: Final answer
    x = 113,224,643.77

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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.