Home / 131,144,774.04-180,982,307.25-71,608,430.73

Finding the Fourth Proportional to 131,144,774.04, 180,982,307.25 and 71,608,430.73

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Solution

The fourth proportional to 131,144,774.04, 180,982,307.25 and 71,608,430.73 is: 98,821,009.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,144,774.04 : 180,982,307.25 = 71,608,430.73 : x
  2. Step 2: Convert to fraction form
    131,144,774.04/180,982,307.25 = 71,608,430.73/x
  3. Step 3: Cross multiply
    131,144,774.04x = 180,982,307.25 × 71,608,430.73
  4. Step 4: Simplify right side
    131,144,774.04x = 12,959,859,012,067,202
  5. Step 5: Solve for x
    x = 12,959,859,012,067,202/131,144,774.04
  6. Step 6: Final answer
    x = 98,821,009.89

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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.