Home / 71,542,510.20-107,327,762.10-30,601,870.20

Finding the Fourth Proportional to 71,542,510.20, 107,327,762.10 and 30,601,870.20

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Solution

The fourth proportional to 71,542,510.20, 107,327,762.10 and 30,601,870.20 is: 45,908,792.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,542,510.20 : 107,327,762.10 = 30,601,870.20 : x
  2. Step 2: Convert to fraction form
    71,542,510.20/107,327,762.10 = 30,601,870.20/x
  3. Step 3: Cross multiply
    71,542,510.20x = 107,327,762.10 × 30,601,870.20
  4. Step 4: Simplify right side
    71,542,510.20x = 3,284,430,244,640,679
  5. Step 5: Solve for x
    x = 3,284,430,244,640,679/71,542,510.20
  6. Step 6: Final answer
    x = 45,908,792.35

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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.