Home / 105,613,455.60-158,420,183.40-90,496,911.60

Finding the Fourth Proportional to 105,613,455.60, 158,420,183.40 and 90,496,911.60

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Solution

The fourth proportional to 105,613,455.60, 158,420,183.40 and 90,496,911.60 is: 135,745,367.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,613,455.60 : 158,420,183.40 = 90,496,911.60 : x
  2. Step 2: Convert to fraction form
    105,613,455.60/158,420,183.40 = 90,496,911.60/x
  3. Step 3: Cross multiply
    105,613,455.60x = 158,420,183.40 × 90,496,911.60
  4. Step 4: Simplify right side
    105,613,455.60x = 14,336,537,332,805,588
  5. Step 5: Solve for x
    x = 14,336,537,332,805,588/105,613,455.60
  6. Step 6: Final answer
    x = 135,745,367.40

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1.5x scale

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.