Home / 57,679,246.80-86,518,870.20-53,299,803.60

Finding the Fourth Proportional to 57,679,246.80, 86,518,870.20 and 53,299,803.60

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Solution

The fourth proportional to 57,679,246.80, 86,518,870.20 and 53,299,803.60 is: 79,949,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,679,246.80 : 86,518,870.20 = 53,299,803.60 : x
  2. Step 2: Convert to fraction form
    57,679,246.80/86,518,870.20 = 53,299,803.60/x
  3. Step 3: Cross multiply
    57,679,246.80x = 86,518,870.20 × 53,299,803.60
  4. Step 4: Simplify right side
    57,679,246.80x = 4,611,438,789,353,893
  5. Step 5: Solve for x
    x = 4,611,438,789,353,893/57,679,246.80
  6. Step 6: Final answer
    x = 79,949,705.40

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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.