Home / 52,290,822.69-78,445,810.73-21,568,642.74

Finding the Fourth Proportional to 52,290,822.69, 78,445,810.73 and 21,568,642.74

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Solution

The fourth proportional to 52,290,822.69, 78,445,810.73 and 21,568,642.74 is: 32,356,914.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,290,822.69 : 78,445,810.73 = 21,568,642.74 : x
  2. Step 2: Convert to fraction form
    52,290,822.69/78,445,810.73 = 21,568,642.74/x
  3. Step 3: Cross multiply
    52,290,822.69x = 78,445,810.73 × 21,568,642.74
  4. Step 4: Simplify right side
    52,290,822.69x = 1,691,969,666,085,028.50
  5. Step 5: Solve for x
    x = 1,691,969,666,085,028.50/52,290,822.69
  6. Step 6: Final answer
    x = 32,356,914.25

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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.