Home / 177,984,013.20-266,976,019.80-70,264,640.40

Finding the Fourth Proportional to 177,984,013.20, 266,976,019.80 and 70,264,640.40

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Solution

The fourth proportional to 177,984,013.20, 266,976,019.80 and 70,264,640.40 is: 105,396,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,984,013.20 : 266,976,019.80 = 70,264,640.40 : x
  2. Step 2: Convert to fraction form
    177,984,013.20/266,976,019.80 = 70,264,640.40/x
  3. Step 3: Cross multiply
    177,984,013.20x = 266,976,019.80 × 70,264,640.40
  4. Step 4: Simplify right side
    177,984,013.20x = 18,758,974,026,670,284
  5. Step 5: Solve for x
    x = 18,758,974,026,670,284/177,984,013.20
  6. Step 6: Final answer
    x = 105,396,960.60

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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.