Home / 103,102,586.70-154,653,880.05-89,072,544.30

Finding the Fourth Proportional to 103,102,586.70, 154,653,880.05 and 89,072,544.30

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Solution

The fourth proportional to 103,102,586.70, 154,653,880.05 and 89,072,544.30 is: 133,608,816.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,102,586.70 : 154,653,880.05 = 89,072,544.30 : x
  2. Step 2: Convert to fraction form
    103,102,586.70/154,653,880.05 = 89,072,544.30/x
  3. Step 3: Cross multiply
    103,102,586.70x = 154,653,880.05 × 89,072,544.30
  4. Step 4: Simplify right side
    103,102,586.70x = 13,775,414,581,920,512
  5. Step 5: Solve for x
    x = 13,775,414,581,920,512/103,102,586.70
  6. Step 6: Final answer
    x = 133,608,816.45

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Double scale
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Similar ratio
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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.