Home / 87,362,812.40-131,050,439.40-26,778,441.20

Finding the Fourth Proportional to 87,362,812.40, 131,050,439.40 and 26,778,441.20

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Solution

The fourth proportional to 87,362,812.40, 131,050,439.40 and 26,778,441.20 is: 40,169,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,362,812.40 : 131,050,439.40 = 26,778,441.20 : x
  2. Step 2: Convert to fraction form
    87,362,812.40/131,050,439.40 = 26,778,441.20/x
  3. Step 3: Cross multiply
    87,362,812.40x = 131,050,439.40 × 26,778,441.20
  4. Step 4: Simplify right side
    87,362,812.40x = 3,509,326,485,707,063.50
  5. Step 5: Solve for x
    x = 3,509,326,485,707,063.50/87,362,812.40
  6. Step 6: Final answer
    x = 40,169,568.60

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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.