Home / 56,000,246.40-83,986,372.80-21,449,145.60

Finding the Fourth Proportional to 56,000,246.40, 83,986,372.80 and 21,449,145.60

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Solution

The fourth proportional to 56,000,246.40, 83,986,372.80 and 21,449,145.60 is: 32,168,357.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,000,246.40 : 83,986,372.80 = 21,449,145.60 : x
  2. Step 2: Convert to fraction form
    56,000,246.40/83,986,372.80 = 21,449,145.60/x
  3. Step 3: Cross multiply
    56,000,246.40x = 83,986,372.80 × 21,449,145.60
  4. Step 4: Simplify right side
    56,000,246.40x = 1,801,435,938,603,079.75
  5. Step 5: Solve for x
    x = 1,801,435,938,603,079.75/56,000,246.40
  6. Step 6: Final answer
    x = 32,168,357.36

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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.