Home / 265,727,619.76-398,612,249.92-71,636,071.84

Finding the Fourth Proportional to 265,727,619.76, 398,612,249.92 and 71,636,071.84

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Solution

The fourth proportional to 265,727,619.76, 398,612,249.92 and 71,636,071.84 is: 107,459,720.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,727,619.76 : 398,612,249.92 = 71,636,071.84 : x
  2. Step 2: Convert to fraction form
    265,727,619.76/398,612,249.92 = 71,636,071.84/x
  3. Step 3: Cross multiply
    265,727,619.76x = 398,612,249.92 × 71,636,071.84
  4. Step 4: Simplify right side
    265,727,619.76x = 28,555,015,771,573,156
  5. Step 5: Solve for x
    x = 28,555,015,771,573,156/265,727,619.76
  6. Step 6: Final answer
    x = 107,459,720.59

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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.