Home / 68,669,743.28-94,740,808.41-42,554,732.54

Finding the Fourth Proportional to 68,669,743.28, 94,740,808.41 and 42,554,732.54

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Solution

The fourth proportional to 68,669,743.28, 94,740,808.41 and 42,554,732.54 is: 58,711,006.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,669,743.28 : 94,740,808.41 = 42,554,732.54 : x
  2. Step 2: Convert to fraction form
    68,669,743.28/94,740,808.41 = 42,554,732.54/x
  3. Step 3: Cross multiply
    68,669,743.28x = 94,740,808.41 × 42,554,732.54
  4. Step 4: Simplify right side
    68,669,743.28x = 4,031,669,762,037,228
  5. Step 5: Solve for x
    x = 4,031,669,762,037,228/68,669,743.28
  6. Step 6: Final answer
    x = 58,711,006.77

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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.