Home / 209,952,173.40-314,928,260.10-201,449,117.40

Finding the Fourth Proportional to 209,952,173.40, 314,928,260.10 and 201,449,117.40

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Solution

The fourth proportional to 209,952,173.40, 314,928,260.10 and 201,449,117.40 is: 302,173,676.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,173.40 : 314,928,260.10 = 201,449,117.40 : x
  2. Step 2: Convert to fraction form
    209,952,173.40/314,928,260.10 = 201,449,117.40/x
  3. Step 3: Cross multiply
    209,952,173.40x = 314,928,260.10 × 201,449,117.40
  4. Step 4: Simplify right side
    209,952,173.40x = 63,442,020,041,462,640
  5. Step 5: Solve for x
    x = 63,442,020,041,462,640/209,952,173.40
  6. Step 6: Final answer
    x = 302,173,676.10

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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.