Home / 125,874,002.40-188,811,003.60-91,861,778.40

Finding the Fourth Proportional to 125,874,002.40, 188,811,003.60 and 91,861,778.40

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Solution

The fourth proportional to 125,874,002.40, 188,811,003.60 and 91,861,778.40 is: 137,792,667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,874,002.40 : 188,811,003.60 = 91,861,778.40 : x
  2. Step 2: Convert to fraction form
    125,874,002.40/188,811,003.60 = 91,861,778.40/x
  3. Step 3: Cross multiply
    125,874,002.40x = 188,811,003.60 × 91,861,778.40
  4. Step 4: Simplify right side
    125,874,002.40x = 17,344,514,572,184,802
  5. Step 5: Solve for x
    x = 17,344,514,572,184,802/125,874,002.40
  6. Step 6: Final answer
    x = 137,792,667.60

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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.