Home / 76,601,510.20-114,912,762.90-25,478,198.20

Finding the Fourth Proportional to 76,601,510.20, 114,912,762.90 and 25,478,198.20

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Solution

The fourth proportional to 76,601,510.20, 114,912,762.90 and 25,478,198.20 is: 38,220,788.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,601,510.20 : 114,912,762.90 = 25,478,198.20 : x
  2. Step 2: Convert to fraction form
    76,601,510.20/114,912,762.90 = 25,478,198.20/x
  3. Step 3: Cross multiply
    76,601,510.20x = 114,912,762.90 × 25,478,198.20
  4. Step 4: Simplify right side
    76,601,510.20x = 2,927,770,148,875,807
  5. Step 5: Solve for x
    x = 2,927,770,148,875,807/76,601,510.20
  6. Step 6: Final answer
    x = 38,220,788.88

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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.