Home / 88,586,459.40-132,879,689.10-80,083,403.40

Finding the Fourth Proportional to 88,586,459.40, 132,879,689.10 and 80,083,403.40

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Solution

The fourth proportional to 88,586,459.40, 132,879,689.10 and 80,083,403.40 is: 120,125,105.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,586,459.40 : 132,879,689.10 = 80,083,403.40 : x
  2. Step 2: Convert to fraction form
    88,586,459.40/132,879,689.10 = 80,083,403.40/x
  3. Step 3: Cross multiply
    88,586,459.40x = 132,879,689.10 × 80,083,403.40
  4. Step 4: Simplify right side
    88,586,459.40x = 10,641,457,745,861,884
  5. Step 5: Solve for x
    x = 10,641,457,745,861,884/88,586,459.40
  6. Step 6: Final answer
    x = 120,125,105.10

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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.