Home / 132,831,468.80-199,396,502.40-102,673,030.40

Finding the Fourth Proportional to 132,831,468.80, 199,396,502.40 and 102,673,030.40

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Solution

The fourth proportional to 132,831,468.80, 199,396,502.40 and 102,673,030.40 is: 154,124,947.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,831,468.80 : 199,396,502.40 = 102,673,030.40 : x
  2. Step 2: Convert to fraction form
    132,831,468.80/199,396,502.40 = 102,673,030.40/x
  3. Step 3: Cross multiply
    132,831,468.80x = 199,396,502.40 × 102,673,030.40
  4. Step 4: Simplify right side
    132,831,468.80x = 20,472,643,152,568,876
  5. Step 5: Solve for x
    x = 20,472,643,152,568,876/132,831,468.80
  6. Step 6: Final answer
    x = 154,124,947.48

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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.