Home / 40,805,645.20-61,066,750.20-28,051,061.20

Finding the Fourth Proportional to 40,805,645.20, 61,066,750.20 and 28,051,061.20

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Solution

The fourth proportional to 40,805,645.20, 61,066,750.20 and 28,051,061.20 is: 41,979,170.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,805,645.20 : 61,066,750.20 = 28,051,061.20 : x
  2. Step 2: Convert to fraction form
    40,805,645.20/61,066,750.20 = 28,051,061.20/x
  3. Step 3: Cross multiply
    40,805,645.20x = 61,066,750.20 × 28,051,061.20
  4. Step 4: Simplify right side
    40,805,645.20x = 1,712,987,147,145,312.25
  5. Step 5: Solve for x
    x = 1,712,987,147,145,312.25/40,805,645.20
  6. Step 6: Final answer
    x = 41,979,170.74

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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.