Home / 99,870,099.19-149,805,148.78-28,066,515.19

Finding the Fourth Proportional to 99,870,099.19, 149,805,148.78 and 28,066,515.19

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Solution

The fourth proportional to 99,870,099.19, 149,805,148.78 and 28,066,515.19 is: 42,099,772.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,870,099.19 : 149,805,148.78 = 28,066,515.19 : x
  2. Step 2: Convert to fraction form
    99,870,099.19/149,805,148.78 = 28,066,515.19/x
  3. Step 3: Cross multiply
    99,870,099.19x = 149,805,148.78 × 28,066,515.19
  4. Step 4: Simplify right side
    99,870,099.19x = 4,204,508,483,434,650
  5. Step 5: Solve for x
    x = 4,204,508,483,434,650/99,870,099.19
  6. Step 6: Final answer
    x = 42,099,772.78

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Similar ratio
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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.