Home / 91,562,758.35-137,344,137.53-67,169,616.45

Finding the Fourth Proportional to 91,562,758.35, 137,344,137.53 and 67,169,616.45

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Solution

The fourth proportional to 91,562,758.35, 137,344,137.53 and 67,169,616.45 is: 100,754,424.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,562,758.35 : 137,344,137.53 = 67,169,616.45 : x
  2. Step 2: Convert to fraction form
    91,562,758.35/137,344,137.53 = 67,169,616.45/x
  3. Step 3: Cross multiply
    91,562,758.35x = 137,344,137.53 × 67,169,616.45
  4. Step 4: Simplify right side
    91,562,758.35x = 9,225,353,039,210,304
  5. Step 5: Solve for x
    x = 9,225,353,039,210,304/91,562,758.35
  6. Step 6: Final answer
    x = 100,754,424.68

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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.