Home / 10,123,941,351.20-15,180,376,072.28-8,038,811,994.66

Finding the Fourth Proportional to 10,123,941,351.20, 15,180,376,072.28 and 8,038,811,994.66

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Solution

The fourth proportional to 10,123,941,351.20, 15,180,376,072.28 and 8,038,811,994.66 is: 12,053,822,223.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123,941,351.20 : 15,180,376,072.28 = 8,038,811,994.66 : x
  2. Step 2: Convert to fraction form
    10,123,941,351.20/15,180,376,072.28 = 8,038,811,994.66/x
  3. Step 3: Cross multiply
    10,123,941,351.20x = 15,180,376,072.28 × 8,038,811,994.66
  4. Step 4: Simplify right side
    10,123,941,351.20x = 122,032,189,253,253,922,816
  5. Step 5: Solve for x
    x = 122,032,189,253,253,922,816/10,123,941,351.20
  6. Step 6: Final answer
    x = 12,053,822,223.98

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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.