Home / 124,497,002.40-186,745,503.60-81,498,832.80

Finding the Fourth Proportional to 124,497,002.40, 186,745,503.60 and 81,498,832.80

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Solution

The fourth proportional to 124,497,002.40, 186,745,503.60 and 81,498,832.80 is: 122,248,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,497,002.40 : 186,745,503.60 = 81,498,832.80 : x
  2. Step 2: Convert to fraction form
    124,497,002.40/186,745,503.60 = 81,498,832.80/x
  3. Step 3: Cross multiply
    124,497,002.40x = 186,745,503.60 × 81,498,832.80
  4. Step 4: Simplify right side
    124,497,002.40x = 15,219,540,574,048,198
  5. Step 5: Solve for x
    x = 15,219,540,574,048,198/124,497,002.40
  6. Step 6: Final answer
    x = 122,248,249.20

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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.