Home / 75,436,522.74-113,658,868.62-68,158,441.89

Finding the Fourth Proportional to 75,436,522.74, 113,658,868.62 and 68,158,441.89

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Solution

The fourth proportional to 75,436,522.74, 113,658,868.62 and 68,158,441.89 is: 102,693,113.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,436,522.74 : 113,658,868.62 = 68,158,441.89 : x
  2. Step 2: Convert to fraction form
    75,436,522.74/113,658,868.62 = 68,158,441.89/x
  3. Step 3: Cross multiply
    75,436,522.74x = 113,658,868.62 × 68,158,441.89
  4. Step 4: Simplify right side
    75,436,522.74x = 7,746,811,392,119,415
  5. Step 5: Solve for x
    x = 7,746,811,392,119,415/75,436,522.74
  6. Step 6: Final answer
    x = 102,693,113.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.