Home / 54,328,534.60-81,464,808.30-20,232,329.80

Finding the Fourth Proportional to 54,328,534.60, 81,464,808.30 and 20,232,329.80

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Solution

The fourth proportional to 54,328,534.60, 81,464,808.30 and 20,232,329.80 is: 30,338,069.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,328,534.60 : 81,464,808.30 = 20,232,329.80 : x
  2. Step 2: Convert to fraction form
    54,328,534.60/81,464,808.30 = 20,232,329.80/x
  3. Step 3: Cross multiply
    54,328,534.60x = 81,464,808.30 × 20,232,329.80
  4. Step 4: Simplify right side
    54,328,534.60x = 1,648,222,868,619,377.25
  5. Step 5: Solve for x
    x = 1,648,222,868,619,377.25/54,328,534.60
  6. Step 6: Final answer
    x = 30,338,069.69

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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.