Home / 56,479,327.60-84,730,801.20-18,144,716.80

Finding the Fourth Proportional to 56,479,327.60, 84,730,801.20 and 18,144,716.80

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Solution

The fourth proportional to 56,479,327.60, 84,730,801.20 and 18,144,716.80 is: 27,220,869.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,479,327.60 : 84,730,801.20 = 18,144,716.80 : x
  2. Step 2: Convert to fraction form
    56,479,327.60/84,730,801.20 = 18,144,716.80/x
  3. Step 3: Cross multiply
    56,479,327.60x = 84,730,801.20 × 18,144,716.80
  4. Step 4: Simplify right side
    56,479,327.60x = 1,537,416,392,011,100.25
  5. Step 5: Solve for x
    x = 1,537,416,392,011,100.25/56,479,327.60
  6. Step 6: Final answer
    x = 27,220,869.25

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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.