Home / 215,784,649.30-323,676,973.95-196,015,044.10

Finding the Fourth Proportional to 215,784,649.30, 323,676,973.95 and 196,015,044.10

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Solution

The fourth proportional to 215,784,649.30, 323,676,973.95 and 196,015,044.10 is: 294,022,566.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,784,649.30 : 323,676,973.95 = 196,015,044.10 : x
  2. Step 2: Convert to fraction form
    215,784,649.30/323,676,973.95 = 196,015,044.10/x
  3. Step 3: Cross multiply
    215,784,649.30x = 323,676,973.95 × 196,015,044.10
  4. Step 4: Simplify right side
    215,784,649.30x = 63,445,556,322,963,800
  5. Step 5: Solve for x
    x = 63,445,556,322,963,800/215,784,649.30
  6. Step 6: Final answer
    x = 294,022,566.15

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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.