Home / 52,290,822.60-78,445,810.58-21,568,642.65

Finding the Fourth Proportional to 52,290,822.60, 78,445,810.58 and 21,568,642.65

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Solution

The fourth proportional to 52,290,822.60, 78,445,810.58 and 21,568,642.65 is: 32,356,914.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,290,822.60 : 78,445,810.58 = 21,568,642.65 : x
  2. Step 2: Convert to fraction form
    52,290,822.60/78,445,810.58 = 21,568,642.65/x
  3. Step 3: Cross multiply
    52,290,822.60x = 78,445,810.58 × 21,568,642.65
  4. Step 4: Simplify right side
    52,290,822.60x = 1,691,969,655,681,766
  5. Step 5: Solve for x
    x = 1,691,969,655,681,766/52,290,822.60
  6. Step 6: Final answer
    x = 32,356,914.11

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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.