Home / 209,952,181.90-314,928,272.85-201,449,125.90

Finding the Fourth Proportional to 209,952,181.90, 314,928,272.85 and 201,449,125.90

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Solution

The fourth proportional to 209,952,181.90, 314,928,272.85 and 201,449,125.90 is: 302,173,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,181.90 : 314,928,272.85 = 201,449,125.90 : x
  2. Step 2: Convert to fraction form
    209,952,181.90/314,928,272.85 = 201,449,125.90/x
  3. Step 3: Cross multiply
    209,952,181.90x = 314,928,272.85 × 201,449,125.90
  4. Step 4: Simplify right side
    209,952,181.90x = 63,442,025,286,829,208
  5. Step 5: Solve for x
    x = 63,442,025,286,829,208/209,952,181.90
  6. Step 6: Final answer
    x = 302,173,688.85

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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.