Home / 311,518,486.82-467,141,407.22-147,802,932.74

Finding the Fourth Proportional to 311,518,486.82, 467,141,407.22 and 147,802,932.74

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Solution

The fourth proportional to 311,518,486.82, 467,141,407.22 and 147,802,932.74 is: 221,639,719.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,518,486.82 : 467,141,407.22 = 147,802,932.74 : x
  2. Step 2: Convert to fraction form
    311,518,486.82/467,141,407.22 = 147,802,932.74/x
  3. Step 3: Cross multiply
    311,518,486.82x = 467,141,407.22 × 147,802,932.74
  4. Step 4: Simplify right side
    311,518,486.82x = 69,044,869,991,406,616
  5. Step 5: Solve for x
    x = 69,044,869,991,406,616/311,518,486.82
  6. Step 6: Final answer
    x = 221,639,719.35

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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.