Home / 89,299,588,233.60-133,949,382,350.40-72,769,647,369.60

Finding the Fourth Proportional to 89,299,588,233.60, 133,949,382,350.40 and 72,769,647,369.60

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Solution

The fourth proportional to 89,299,588,233.60, 133,949,382,350.40 and 72,769,647,369.60 is: 109,154,471,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,299,588,233.60 : 133,949,382,350.40 = 72,769,647,369.60 : x
  2. Step 2: Convert to fraction form
    89,299,588,233.60/133,949,382,350.40 = 72,769,647,369.60/x
  3. Step 3: Cross multiply
    89,299,588,233.60x = 133,949,382,350.40 × 72,769,647,369.60
  4. Step 4: Simplify right side
    89,299,588,233.60x = 9,747,449,319,014,329,745,408
  5. Step 5: Solve for x
    x = 9,747,449,319,014,329,745,408/89,299,588,233.60
  6. Step 6: Final answer
    x = 109,154,471,054.40

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Double scale
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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.