Home / 247,049,780-370,577,330.76-74,528,088.16

Finding the Fourth Proportional to 247,049,780, 370,577,330.76 and 74,528,088.16

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Solution

The fourth proportional to 247,049,780, 370,577,330.76 and 74,528,088.16 is: 111,792,934.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,049,780 : 370,577,330.76 = 74,528,088.16 : x
  2. Step 2: Convert to fraction form
    247,049,780/370,577,330.76 = 74,528,088.16/x
  3. Step 3: Cross multiply
    247,049,780x = 370,577,330.76 × 74,528,088.16
  4. Step 4: Simplify right side
    247,049,780x = 27,618,419,976,978,756
  5. Step 5: Solve for x
    x = 27,618,419,976,978,756/247,049,780
  6. Step 6: Final answer
    x = 111,792,934.92

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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.