Home / 84,564,048.30-126,846,072.45-74,150,429.10

Finding the Fourth Proportional to 84,564,048.30, 126,846,072.45 and 74,150,429.10

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Solution

The fourth proportional to 84,564,048.30, 126,846,072.45 and 74,150,429.10 is: 111,225,643.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,564,048.30 : 126,846,072.45 = 74,150,429.10 : x
  2. Step 2: Convert to fraction form
    84,564,048.30/126,846,072.45 = 74,150,429.10/x
  3. Step 3: Cross multiply
    84,564,048.30x = 126,846,072.45 × 74,150,429.10
  4. Step 4: Simplify right side
    84,564,048.30x = 9,405,690,701,817,188
  5. Step 5: Solve for x
    x = 9,405,690,701,817,188/84,564,048.30
  6. Step 6: Final answer
    x = 111,225,643.65

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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.