Home / 200,227,905.60-300,341,858.40-70,981,454.40

Finding the Fourth Proportional to 200,227,905.60, 300,341,858.40 and 70,981,454.40

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Solution

The fourth proportional to 200,227,905.60, 300,341,858.40 and 70,981,454.40 is: 106,472,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,227,905.60 : 300,341,858.40 = 70,981,454.40 : x
  2. Step 2: Convert to fraction form
    200,227,905.60/300,341,858.40 = 70,981,454.40/x
  3. Step 3: Cross multiply
    200,227,905.60x = 300,341,858.40 × 70,981,454.40
  4. Step 4: Simplify right side
    200,227,905.60x = 21,318,701,926,430,856
  5. Step 5: Solve for x
    x = 21,318,701,926,430,856/200,227,905.60
  6. Step 6: Final answer
    x = 106,472,181.60

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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.