Home / 221,322,648.95-330,549,048.33-200,531,547.23

Finding the Fourth Proportional to 221,322,648.95, 330,549,048.33 and 200,531,547.23

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Solution

The fourth proportional to 221,322,648.95, 330,549,048.33 and 200,531,547.23 is: 299,497,192.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,322,648.95 : 330,549,048.33 = 200,531,547.23 : x
  2. Step 2: Convert to fraction form
    221,322,648.95/330,549,048.33 = 200,531,547.23/x
  3. Step 3: Cross multiply
    221,322,648.95x = 330,549,048.33 × 200,531,547.23
  4. Step 4: Simplify right side
    221,322,648.95x = 66,285,512,097,600,184
  5. Step 5: Solve for x
    x = 66,285,512,097,600,184/221,322,648.95
  6. Step 6: Final answer
    x = 299,497,192.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.