Home / 359,688,638.57-539,532,609.75-135,382,214.88

Finding the Fourth Proportional to 359,688,638.57, 539,532,609.75 and 135,382,214.88

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Solution

The fourth proportional to 359,688,638.57, 539,532,609.75 and 135,382,214.88 is: 203,073,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,688,638.57 : 539,532,609.75 = 135,382,214.88 : x
  2. Step 2: Convert to fraction form
    359,688,638.57/539,532,609.75 = 135,382,214.88/x
  3. Step 3: Cross multiply
    359,688,638.57x = 539,532,609.75 × 135,382,214.88
  4. Step 4: Simplify right side
    359,688,638.57x = 73,043,119,707,941,680
  5. Step 5: Solve for x
    x = 73,043,119,707,941,680/359,688,638.57
  6. Step 6: Final answer
    x = 203,073,191.30

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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.