Home / 209,952,195.40-314,928,293.10-201,449,139.40

Finding the Fourth Proportional to 209,952,195.40, 314,928,293.10 and 201,449,139.40

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Solution

The fourth proportional to 209,952,195.40, 314,928,293.10 and 201,449,139.40 is: 302,173,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,195.40 : 314,928,293.10 = 201,449,139.40 : x
  2. Step 2: Convert to fraction form
    209,952,195.40/314,928,293.10 = 201,449,139.40/x
  3. Step 3: Cross multiply
    209,952,195.40x = 314,928,293.10 × 201,449,139.40
  4. Step 4: Simplify right side
    209,952,195.40x = 63,442,033,617,705,968
  5. Step 5: Solve for x
    x = 63,442,033,617,705,968/209,952,195.40
  6. Step 6: Final answer
    x = 302,173,709.10

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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.