Home / 145,610,605,199.92-218,415,907,800-40,920,979,727.92

Finding the Fourth Proportional to 145,610,605,199.92, 218,415,907,800 and 40,920,979,727.92

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Solution

The fourth proportional to 145,610,605,199.92, 218,415,907,800 and 40,920,979,727.92 is: 61,381,469,591.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,610,605,199.92 : 218,415,907,800 = 40,920,979,727.92 : x
  2. Step 2: Convert to fraction form
    145,610,605,199.92/218,415,907,800 = 40,920,979,727.92/x
  3. Step 3: Cross multiply
    145,610,605,199.92x = 218,415,907,800 × 40,920,979,727.92
  4. Step 4: Simplify right side
    145,610,605,199.92x = 8,937,792,935,339,043,586,048
  5. Step 5: Solve for x
    x = 8,937,792,935,339,043,586,048/145,610,605,199.92
  6. Step 6: Final answer
    x = 61,381,469,591.91

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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.