Home / 99,360,056.80-149,040,085.20-83,487,685.60

Finding the Fourth Proportional to 99,360,056.80, 149,040,085.20 and 83,487,685.60

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Solution

The fourth proportional to 99,360,056.80, 149,040,085.20 and 83,487,685.60 is: 125,231,528.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,360,056.80 : 149,040,085.20 = 83,487,685.60 : x
  2. Step 2: Convert to fraction form
    99,360,056.80/149,040,085.20 = 83,487,685.60/x
  3. Step 3: Cross multiply
    99,360,056.80x = 149,040,085.20 × 83,487,685.60
  4. Step 4: Simplify right side
    99,360,056.80x = 12,443,011,774,974,812
  5. Step 5: Solve for x
    x = 12,443,011,774,974,812/99,360,056.80
  6. Step 6: Final answer
    x = 125,231,528.40

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Similar ratio
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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.