Home / 136,522,234.80-204,783,352.20-90,605,732.40

Finding the Fourth Proportional to 136,522,234.80, 204,783,352.20 and 90,605,732.40

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Solution

The fourth proportional to 136,522,234.80, 204,783,352.20 and 90,605,732.40 is: 135,908,598.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,522,234.80 : 204,783,352.20 = 90,605,732.40 : x
  2. Step 2: Convert to fraction form
    136,522,234.80/204,783,352.20 = 90,605,732.40/x
  3. Step 3: Cross multiply
    136,522,234.80x = 204,783,352.20 × 90,605,732.40
  4. Step 4: Simplify right side
    136,522,234.80x = 18,554,545,609,408,152
  5. Step 5: Solve for x
    x = 18,554,545,609,408,152/136,522,234.80
  6. Step 6: Final answer
    x = 135,908,598.60

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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.