Home / 209,952,003.70-314,928,005.55-133,046,586.10

Finding the Fourth Proportional to 209,952,003.70, 314,928,005.55 and 133,046,586.10

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Solution

The fourth proportional to 209,952,003.70, 314,928,005.55 and 133,046,586.10 is: 199,569,879.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,003.70 : 314,928,005.55 = 133,046,586.10 : x
  2. Step 2: Convert to fraction form
    209,952,003.70/314,928,005.55 = 133,046,586.10/x
  3. Step 3: Cross multiply
    209,952,003.70x = 314,928,005.55 × 133,046,586.10
  4. Step 4: Simplify right side
    209,952,003.70x = 41,900,096,005,709,352
  5. Step 5: Solve for x
    x = 41,900,096,005,709,352/209,952,003.70
  6. Step 6: Final answer
    x = 199,569,879.15

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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.