Home / 83,395,813.38-125,005,521.81-30,839,715.16

Finding the Fourth Proportional to 83,395,813.38, 125,005,521.81 and 30,839,715.16

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Solution

The fourth proportional to 83,395,813.38, 125,005,521.81 and 30,839,715.16 is: 46,226,957.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,395,813.38 : 125,005,521.81 = 30,839,715.16 : x
  2. Step 2: Convert to fraction form
    83,395,813.38/125,005,521.81 = 30,839,715.16/x
  3. Step 3: Cross multiply
    83,395,813.38x = 125,005,521.81 × 30,839,715.16
  4. Step 4: Simplify right side
    83,395,813.38x = 3,855,134,685,359,219
  5. Step 5: Solve for x
    x = 3,855,134,685,359,219/83,395,813.38
  6. Step 6: Final answer
    x = 46,226,957.07

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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.