Home / 34,129,828.80-51,194,743.20-31,890,340.80

Finding the Fourth Proportional to 34,129,828.80, 51,194,743.20 and 31,890,340.80

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Solution

The fourth proportional to 34,129,828.80, 51,194,743.20 and 31,890,340.80 is: 47,835,511.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,129,828.80 : 51,194,743.20 = 31,890,340.80 : x
  2. Step 2: Convert to fraction form
    34,129,828.80/51,194,743.20 = 31,890,340.80/x
  3. Step 3: Cross multiply
    34,129,828.80x = 51,194,743.20 × 31,890,340.80
  4. Step 4: Simplify right side
    34,129,828.80x = 1,632,617,807,816,482.75
  5. Step 5: Solve for x
    x = 1,632,617,807,816,482.75/34,129,828.80
  6. Step 6: Final answer
    x = 47,835,511.20

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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.