Home / 209,952,068.70-314,928,103.05-155,532,510.30

Finding the Fourth Proportional to 209,952,068.70, 314,928,103.05 and 155,532,510.30

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Solution

The fourth proportional to 209,952,068.70, 314,928,103.05 and 155,532,510.30 is: 233,298,765.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,068.70 : 314,928,103.05 = 155,532,510.30 : x
  2. Step 2: Convert to fraction form
    209,952,068.70/314,928,103.05 = 155,532,510.30/x
  3. Step 3: Cross multiply
    209,952,068.70x = 314,928,103.05 × 155,532,510.30
  4. Step 4: Simplify right side
    209,952,068.70x = 48,981,558,431,383,592
  5. Step 5: Solve for x
    x = 48,981,558,431,383,592/209,952,068.70
  6. Step 6: Final answer
    x = 233,298,765.45

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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.