Home / 215,616,165.40-323,424,248.10-163,960,100.20

Finding the Fourth Proportional to 215,616,165.40, 323,424,248.10 and 163,960,100.20

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Solution

The fourth proportional to 215,616,165.40, 323,424,248.10 and 163,960,100.20 is: 245,940,150.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,616,165.40 : 323,424,248.10 = 163,960,100.20 : x
  2. Step 2: Convert to fraction form
    215,616,165.40/323,424,248.10 = 163,960,100.20/x
  3. Step 3: Cross multiply
    215,616,165.40x = 323,424,248.10 × 163,960,100.20
  4. Step 4: Simplify right side
    215,616,165.40x = 53,028,672,125,585,656
  5. Step 5: Solve for x
    x = 53,028,672,125,585,656/215,616,165.40
  6. Step 6: Final answer
    x = 245,940,150.30

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1.5x scale

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.