Home / 91,497,722.76-126,263,103.75-49,680,163.17

Finding the Fourth Proportional to 91,497,722.76, 126,263,103.75 and 49,680,163.17

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Solution

The fourth proportional to 91,497,722.76, 126,263,103.75 and 49,680,163.17 is: 68,556,587.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,497,722.76 : 126,263,103.75 = 49,680,163.17 : x
  2. Step 2: Convert to fraction form
    91,497,722.76/126,263,103.75 = 49,680,163.17/x
  3. Step 3: Cross multiply
    91,497,722.76x = 126,263,103.75 × 49,680,163.17
  4. Step 4: Simplify right side
    91,497,722.76x = 6,272,771,596,650,639
  5. Step 5: Solve for x
    x = 6,272,771,596,650,639/91,497,722.76
  6. Step 6: Final answer
    x = 68,556,587.07

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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.