Home / 339,806,200.80-509,908,366.80-124,417,221.60

Finding the Fourth Proportional to 339,806,200.80, 509,908,366.80 and 124,417,221.60

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Solution

The fourth proportional to 339,806,200.80, 509,908,366.80 and 124,417,221.60 is: 186,698,718.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,806,200.80 : 509,908,366.80 = 124,417,221.60 : x
  2. Step 2: Convert to fraction form
    339,806,200.80/509,908,366.80 = 124,417,221.60/x
  3. Step 3: Cross multiply
    339,806,200.80x = 509,908,366.80 × 124,417,221.60
  4. Step 4: Simplify right side
    339,806,200.80x = 63,441,382,267,849,680
  5. Step 5: Solve for x
    x = 63,441,382,267,849,680/339,806,200.80
  6. Step 6: Final answer
    x = 186,698,718.62

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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.