Home / 321,793,957.10-482,942,878.05-149,292,145.10

Finding the Fourth Proportional to 321,793,957.10, 482,942,878.05 and 149,292,145.10

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Solution

The fourth proportional to 321,793,957.10, 482,942,878.05 and 149,292,145.10 is: 224,055,103.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,793,957.10 : 482,942,878.05 = 149,292,145.10 : x
  2. Step 2: Convert to fraction form
    321,793,957.10/482,942,878.05 = 149,292,145.10/x
  3. Step 3: Cross multiply
    321,793,957.10x = 482,942,878.05 × 149,292,145.10
  4. Step 4: Simplify right side
    321,793,957.10x = 72,099,578,224,852,208
  5. Step 5: Solve for x
    x = 72,099,578,224,852,208/321,793,957.10
  6. Step 6: Final answer
    x = 224,055,103.07

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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.