Home / 69,982,357.12-105,020,358.21-29,041,794.88

Finding the Fourth Proportional to 69,982,357.12, 105,020,358.21 and 29,041,794.88

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Solution

The fourth proportional to 69,982,357.12, 105,020,358.21 and 29,041,794.88 is: 43,582,123.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,982,357.12 : 105,020,358.21 = 29,041,794.88 : x
  2. Step 2: Convert to fraction form
    69,982,357.12/105,020,358.21 = 29,041,794.88/x
  3. Step 3: Cross multiply
    69,982,357.12x = 105,020,358.21 × 29,041,794.88
  4. Step 4: Simplify right side
    69,982,357.12x = 3,049,979,701,358,943.50
  5. Step 5: Solve for x
    x = 3,049,979,701,358,943.50/69,982,357.12
  6. Step 6: Final answer
    x = 43,582,123.08

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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.