Home / 197,732,191.80-296,390,665.48-66,528,920.20

Finding the Fourth Proportional to 197,732,191.80, 296,390,665.48 and 66,528,920.20

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Solution

The fourth proportional to 197,732,191.80, 296,390,665.48 and 66,528,920.20 is: 99,723,523.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,732,191.80 : 296,390,665.48 = 66,528,920.20 : x
  2. Step 2: Convert to fraction form
    197,732,191.80/296,390,665.48 = 66,528,920.20/x
  3. Step 3: Cross multiply
    197,732,191.80x = 296,390,665.48 × 66,528,920.20
  4. Step 4: Simplify right side
    197,732,191.80x = 19,718,550,931,743,816
  5. Step 5: Solve for x
    x = 19,718,550,931,743,816/197,732,191.80
  6. Step 6: Final answer
    x = 99,723,523.78

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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.