Home / 89,455,845.60-134,136,529.20-38,280,045.60

Finding the Fourth Proportional to 89,455,845.60, 134,136,529.20 and 38,280,045.60

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Solution

The fourth proportional to 89,455,845.60, 134,136,529.20 and 38,280,045.60 is: 57,399,853.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,455,845.60 : 134,136,529.20 = 38,280,045.60 : x
  2. Step 2: Convert to fraction form
    89,455,845.60/134,136,529.20 = 38,280,045.60/x
  3. Step 3: Cross multiply
    89,455,845.60x = 134,136,529.20 × 38,280,045.60
  4. Step 4: Simplify right side
    89,455,845.60x = 5,134,752,454,401,732
  5. Step 5: Solve for x
    x = 5,134,752,454,401,732/89,455,845.60
  6. Step 6: Final answer
    x = 57,399,853.75

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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.