Home / 121,380,938.76-182,041,097.68-47,619,751.92

Finding the Fourth Proportional to 121,380,938.76, 182,041,097.68 and 47,619,751.92

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Solution

The fourth proportional to 121,380,938.76, 182,041,097.68 and 47,619,751.92 is: 71,417,736.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,380,938.76 : 182,041,097.68 = 47,619,751.92 : x
  2. Step 2: Convert to fraction form
    121,380,938.76/182,041,097.68 = 47,619,751.92/x
  3. Step 3: Cross multiply
    121,380,938.76x = 182,041,097.68 × 47,619,751.92
  4. Step 4: Simplify right side
    121,380,938.76x = 8,668,751,911,301,227
  5. Step 5: Solve for x
    x = 8,668,751,911,301,227/121,380,938.76
  6. Step 6: Final answer
    x = 71,417,736.59

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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.