Home / 200,715,641.20-301,087,973.04-84,013,626.54

Finding the Fourth Proportional to 200,715,641.20, 301,087,973.04 and 84,013,626.54

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Solution

The fourth proportional to 200,715,641.20, 301,087,973.04 and 84,013,626.54 is: 126,026,513.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,715,641.20 : 301,087,973.04 = 84,013,626.54 : x
  2. Step 2: Convert to fraction form
    200,715,641.20/301,087,973.04 = 84,013,626.54/x
  3. Step 3: Cross multiply
    200,715,641.20x = 301,087,973.04 × 84,013,626.54
  4. Step 4: Simplify right side
    200,715,641.20x = 25,295,492,520,742,640
  5. Step 5: Solve for x
    x = 25,295,492,520,742,640/200,715,641.20
  6. Step 6: Final answer
    x = 126,026,513.78

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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.