Home / 221,616,005.40-332,424,008.10-215,238,713.40

Finding the Fourth Proportional to 221,616,005.40, 332,424,008.10 and 215,238,713.40

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Solution

The fourth proportional to 221,616,005.40, 332,424,008.10 and 215,238,713.40 is: 322,858,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,616,005.40 : 332,424,008.10 = 215,238,713.40 : x
  2. Step 2: Convert to fraction form
    221,616,005.40/332,424,008.10 = 215,238,713.40/x
  3. Step 3: Cross multiply
    221,616,005.40x = 332,424,008.10 × 215,238,713.40
  4. Step 4: Simplify right side
    221,616,005.40x = 71,550,515,806,715,184
  5. Step 5: Solve for x
    x = 71,550,515,806,715,184/221,616,005.40
  6. Step 6: Final answer
    x = 322,858,070.10

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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.