Home / 186,186,087.12-256,936,797.18-107,915,040.30

Finding the Fourth Proportional to 186,186,087.12, 256,936,797.18 and 107,915,040.30

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Solution

The fourth proportional to 186,186,087.12, 256,936,797.18 and 107,915,040.30 is: 148,922,753.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,186,087.12 : 256,936,797.18 = 107,915,040.30 : x
  2. Step 2: Convert to fraction form
    186,186,087.12/256,936,797.18 = 107,915,040.30/x
  3. Step 3: Cross multiply
    186,186,087.12x = 256,936,797.18 × 107,915,040.30
  4. Step 4: Simplify right side
    186,186,087.12x = 27,727,344,822,232,628
  5. Step 5: Solve for x
    x = 27,727,344,822,232,628/186,186,087.12
  6. Step 6: Final answer
    x = 148,922,753.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.