Home / 48,278,588.80-72,430,713.60-20,973,164.80

Finding the Fourth Proportional to 48,278,588.80, 72,430,713.60 and 20,973,164.80

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Solution

The fourth proportional to 48,278,588.80, 72,430,713.60 and 20,973,164.80 is: 31,465,320.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,278,588.80 : 72,430,713.60 = 20,973,164.80 : x
  2. Step 2: Convert to fraction form
    48,278,588.80/72,430,713.60 = 20,973,164.80/x
  3. Step 3: Cross multiply
    48,278,588.80x = 72,430,713.60 × 20,973,164.80
  4. Step 4: Simplify right side
    48,278,588.80x = 1,519,101,292,914,401.25
  5. Step 5: Solve for x
    x = 1,519,101,292,914,401.25/48,278,588.80
  6. Step 6: Final answer
    x = 31,465,320.98

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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.