Home / 477,042,405.67-715,579,551.80-131,967,135.55

Finding the Fourth Proportional to 477,042,405.67, 715,579,551.80 and 131,967,135.55

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Solution

The fourth proportional to 477,042,405.67, 715,579,551.80 and 131,967,135.55 is: 197,955,113.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,042,405.67 : 715,579,551.80 = 131,967,135.55 : x
  2. Step 2: Convert to fraction form
    477,042,405.67/715,579,551.80 = 131,967,135.55/x
  3. Step 3: Cross multiply
    477,042,405.67x = 715,579,551.80 × 131,967,135.55
  4. Step 4: Simplify right side
    477,042,405.67x = 94,432,983,704,961,104
  5. Step 5: Solve for x
    x = 94,432,983,704,961,104/477,042,405.67
  6. Step 6: Final answer
    x = 197,955,113.81

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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.