Home / 57,939,261.60-86,908,892.40-30,608,176.80

Finding the Fourth Proportional to 57,939,261.60, 86,908,892.40 and 30,608,176.80

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Solution

The fourth proportional to 57,939,261.60, 86,908,892.40 and 30,608,176.80 is: 45,912,265.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,939,261.60 : 86,908,892.40 = 30,608,176.80 : x
  2. Step 2: Convert to fraction form
    57,939,261.60/86,908,892.40 = 30,608,176.80/x
  3. Step 3: Cross multiply
    57,939,261.60x = 86,908,892.40 × 30,608,176.80
  4. Step 4: Simplify right side
    57,939,261.60x = 2,660,122,744,071,376.50
  5. Step 5: Solve for x
    x = 2,660,122,744,071,376.50/57,939,261.60
  6. Step 6: Final answer
    x = 45,912,265.20

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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.