Home / 45,786,657.40-68,679,986.10-13,869,806.20

Finding the Fourth Proportional to 45,786,657.40, 68,679,986.10 and 13,869,806.20

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Solution

The fourth proportional to 45,786,657.40, 68,679,986.10 and 13,869,806.20 is: 20,804,709.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,786,657.40 : 68,679,986.10 = 13,869,806.20 : x
  2. Step 2: Convert to fraction form
    45,786,657.40/68,679,986.10 = 13,869,806.20/x
  3. Step 3: Cross multiply
    45,786,657.40x = 68,679,986.10 × 13,869,806.20
  4. Step 4: Simplify right side
    45,786,657.40x = 952,578,097,025,693.62
  5. Step 5: Solve for x
    x = 952,578,097,025,693.62/45,786,657.40
  6. Step 6: Final answer
    x = 20,804,709.30

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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.