Home / 193,547,998.70-290,321,998.05-96,802,117.10

Finding the Fourth Proportional to 193,547,998.70, 290,321,998.05 and 96,802,117.10

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Solution

The fourth proportional to 193,547,998.70, 290,321,998.05 and 96,802,117.10 is: 145,203,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,547,998.70 : 290,321,998.05 = 96,802,117.10 : x
  2. Step 2: Convert to fraction form
    193,547,998.70/290,321,998.05 = 96,802,117.10/x
  3. Step 3: Cross multiply
    193,547,998.70x = 290,321,998.05 × 96,802,117.10
  4. Step 4: Simplify right side
    193,547,998.70x = 28,103,784,051,942,072
  5. Step 5: Solve for x
    x = 28,103,784,051,942,072/193,547,998.70
  6. Step 6: Final answer
    x = 145,203,175.65

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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.