Home / 68,637,715.32-94,697,001.84-38,864,301.96

Finding the Fourth Proportional to 68,637,715.32, 94,697,001.84 and 38,864,301.96

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Solution

The fourth proportional to 68,637,715.32, 94,697,001.84 and 38,864,301.96 is: 53,619,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,637,715.32 : 94,697,001.84 = 38,864,301.96 : x
  2. Step 2: Convert to fraction form
    68,637,715.32/94,697,001.84 = 38,864,301.96/x
  3. Step 3: Cross multiply
    68,637,715.32x = 94,697,001.84 × 38,864,301.96
  4. Step 4: Simplify right side
    68,637,715.32x = 3,680,332,874,216,436
  5. Step 5: Solve for x
    x = 3,680,332,874,216,436/68,637,715.32
  6. Step 6: Final answer
    x = 53,619,687.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.