Home / 201,275,298.30-301,912,947.45-86,271,465.90

Finding the Fourth Proportional to 201,275,298.30, 301,912,947.45 and 86,271,465.90

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Solution

The fourth proportional to 201,275,298.30, 301,912,947.45 and 86,271,465.90 is: 129,407,198.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,275,298.30 : 301,912,947.45 = 86,271,465.90 : x
  2. Step 2: Convert to fraction form
    201,275,298.30/301,912,947.45 = 86,271,465.90/x
  3. Step 3: Cross multiply
    201,275,298.30x = 301,912,947.45 × 86,271,465.90
  4. Step 4: Simplify right side
    201,275,298.30x = 26,046,472,550,701,168
  5. Step 5: Solve for x
    x = 26,046,472,550,701,168/201,275,298.30
  6. Step 6: Final answer
    x = 129,407,198.85

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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.