Home / 43,716,830.70-65,575,246.05-20,992,248.30

Finding the Fourth Proportional to 43,716,830.70, 65,575,246.05 and 20,992,248.30

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Solution

The fourth proportional to 43,716,830.70, 65,575,246.05 and 20,992,248.30 is: 31,488,372.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,716,830.70 : 65,575,246.05 = 20,992,248.30 : x
  2. Step 2: Convert to fraction form
    43,716,830.70/65,575,246.05 = 20,992,248.30/x
  3. Step 3: Cross multiply
    43,716,830.70x = 65,575,246.05 × 20,992,248.30
  4. Step 4: Simplify right side
    43,716,830.70x = 1,376,571,847,415,194.25
  5. Step 5: Solve for x
    x = 1,376,571,847,415,194.25/43,716,830.70
  6. Step 6: Final answer
    x = 31,488,372.45

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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.