Home / 217,514,018.20-300,175,724.28-118,401,230.20

Finding the Fourth Proportional to 217,514,018.20, 300,175,724.28 and 118,401,230.20

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Solution

The fourth proportional to 217,514,018.20, 300,175,724.28 and 118,401,230.20 is: 163,397,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,514,018.20 : 300,175,724.28 = 118,401,230.20 : x
  2. Step 2: Convert to fraction form
    217,514,018.20/300,175,724.28 = 118,401,230.20/x
  3. Step 3: Cross multiply
    217,514,018.20x = 300,175,724.28 × 118,401,230.20
  4. Step 4: Simplify right side
    217,514,018.20x = 35,541,175,030,928,008
  5. Step 5: Solve for x
    x = 35,541,175,030,928,008/217,514,018.20
  6. Step 6: Final answer
    x = 163,397,170.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.