Home / 209,952,171.40-314,928,257.10-201,449,115.40

Finding the Fourth Proportional to 209,952,171.40, 314,928,257.10 and 201,449,115.40

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Solution

The fourth proportional to 209,952,171.40, 314,928,257.10 and 201,449,115.40 is: 302,173,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,171.40 : 314,928,257.10 = 201,449,115.40 : x
  2. Step 2: Convert to fraction form
    209,952,171.40/314,928,257.10 = 201,449,115.40/x
  3. Step 3: Cross multiply
    209,952,171.40x = 314,928,257.10 × 201,449,115.40
  4. Step 4: Simplify right side
    209,952,171.40x = 63,442,018,807,258,776
  5. Step 5: Solve for x
    x = 63,442,018,807,258,776/209,952,171.40
  6. Step 6: Final answer
    x = 302,173,673.10

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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.