Home / 54,207,799.89-81,311,697.60-15,869,313.91

Finding the Fourth Proportional to 54,207,799.89, 81,311,697.60 and 15,869,313.91

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Solution

The fourth proportional to 54,207,799.89, 81,311,697.60 and 15,869,313.91 is: 23,803,970.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,207,799.89 : 81,311,697.60 = 15,869,313.91 : x
  2. Step 2: Convert to fraction form
    54,207,799.89/81,311,697.60 = 15,869,313.91/x
  3. Step 3: Cross multiply
    54,207,799.89x = 81,311,697.60 × 15,869,313.91
  4. Step 4: Simplify right side
    54,207,799.89x = 1,290,360,853,769,393.50
  5. Step 5: Solve for x
    x = 1,290,360,853,769,393.50/54,207,799.89
  6. Step 6: Final answer
    x = 23,803,970.21

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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.