Home / 90,837,585.60-136,093,993.65-55,280,246.10

Finding the Fourth Proportional to 90,837,585.60, 136,093,993.65 and 55,280,246.10

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Solution

The fourth proportional to 90,837,585.60, 136,093,993.65 and 55,280,246.10 is: 82,821,548.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,837,585.60 : 136,093,993.65 = 55,280,246.10 : x
  2. Step 2: Convert to fraction form
    90,837,585.60/136,093,993.65 = 55,280,246.10/x
  3. Step 3: Cross multiply
    90,837,585.60x = 136,093,993.65 × 55,280,246.10
  4. Step 4: Simplify right side
    90,837,585.60x = 7,523,309,461,703,838
  5. Step 5: Solve for x
    x = 7,523,309,461,703,838/90,837,585.60
  6. Step 6: Final answer
    x = 82,821,548.06

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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.