Home / 90,131,515.40-135,193,210.40-37,587,550.07

Finding the Fourth Proportional to 90,131,515.40, 135,193,210.40 and 37,587,550.07

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Solution

The fourth proportional to 90,131,515.40, 135,193,210.40 and 37,587,550.07 is: 56,379,630.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,131,515.40 : 135,193,210.40 = 37,587,550.07 : x
  2. Step 2: Convert to fraction form
    90,131,515.40/135,193,210.40 = 37,587,550.07/x
  3. Step 3: Cross multiply
    90,131,515.40x = 135,193,210.40 × 37,587,550.07
  4. Step 4: Simplify right side
    90,131,515.40x = 5,081,581,564,358,079
  5. Step 5: Solve for x
    x = 5,081,581,564,358,079/90,131,515.40
  6. Step 6: Final answer
    x = 56,379,630.83

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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.