Home / 52,206,069.49-78,260,421.65-17,638,296.65

Finding the Fourth Proportional to 52,206,069.49, 78,260,421.65 and 17,638,296.65

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Solution

The fourth proportional to 52,206,069.49, 78,260,421.65 and 17,638,296.65 is: 26,440,997.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,206,069.49 : 78,260,421.65 = 17,638,296.65 : x
  2. Step 2: Convert to fraction form
    52,206,069.49/78,260,421.65 = 17,638,296.65/x
  3. Step 3: Cross multiply
    52,206,069.49x = 78,260,421.65 × 17,638,296.65
  4. Step 4: Simplify right side
    52,206,069.49x = 1,380,380,532,830,765.25
  5. Step 5: Solve for x
    x = 1,380,380,532,830,765.25/52,206,069.49
  6. Step 6: Final answer
    x = 26,440,997.11

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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.