Home / 80,624,007.20-120,936,010.80-44,218,330.40

Finding the Fourth Proportional to 80,624,007.20, 120,936,010.80 and 44,218,330.40

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Solution

The fourth proportional to 80,624,007.20, 120,936,010.80 and 44,218,330.40 is: 66,327,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,624,007.20 : 120,936,010.80 = 44,218,330.40 : x
  2. Step 2: Convert to fraction form
    80,624,007.20/120,936,010.80 = 44,218,330.40/x
  3. Step 3: Cross multiply
    80,624,007.20x = 120,936,010.80 × 44,218,330.40
  4. Step 4: Simplify right side
    80,624,007.20x = 5,347,588,482,812,368
  5. Step 5: Solve for x
    x = 5,347,588,482,812,368/80,624,007.20
  6. Step 6: Final answer
    x = 66,327,495.60

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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.