Home / 206,679,639.60-310,019,459.40-124,890,869.70

Finding the Fourth Proportional to 206,679,639.60, 310,019,459.40 and 124,890,869.70

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Solution

The fourth proportional to 206,679,639.60, 310,019,459.40 and 124,890,869.70 is: 187,336,304.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,679,639.60 : 310,019,459.40 = 124,890,869.70 : x
  2. Step 2: Convert to fraction form
    206,679,639.60/310,019,459.40 = 124,890,869.70/x
  3. Step 3: Cross multiply
    206,679,639.60x = 310,019,459.40 × 124,890,869.70
  4. Step 4: Simplify right side
    206,679,639.60x = 38,718,599,908,389,840
  5. Step 5: Solve for x
    x = 38,718,599,908,389,840/206,679,639.60
  6. Step 6: Final answer
    x = 187,336,304.55

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1.5x scale

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.