Home / 86,364,470.80-129,569,394.92-31,037,891.80

Finding the Fourth Proportional to 86,364,470.80, 129,569,394.92 and 31,037,891.80

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Solution

The fourth proportional to 86,364,470.80, 129,569,394.92 and 31,037,891.80 is: 46,564,991.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,364,470.80 : 129,569,394.92 = 31,037,891.80 : x
  2. Step 2: Convert to fraction form
    86,364,470.80/129,569,394.92 = 31,037,891.80/x
  3. Step 3: Cross multiply
    86,364,470.80x = 129,569,394.92 × 31,037,891.80
  4. Step 4: Simplify right side
    86,364,470.80x = 4,021,560,860,118,430
  5. Step 5: Solve for x
    x = 4,021,560,860,118,430/86,364,470.80
  6. Step 6: Final answer
    x = 46,564,991.63

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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.