Home / 213,095,503.80-319,643,255.70-98,304,247.80

Finding the Fourth Proportional to 213,095,503.80, 319,643,255.70 and 98,304,247.80

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Solution

The fourth proportional to 213,095,503.80, 319,643,255.70 and 98,304,247.80 is: 147,456,371.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,095,503.80 : 319,643,255.70 = 98,304,247.80 : x
  2. Step 2: Convert to fraction form
    213,095,503.80/319,643,255.70 = 98,304,247.80/x
  3. Step 3: Cross multiply
    213,095,503.80x = 319,643,255.70 × 98,304,247.80
  4. Step 4: Simplify right side
    213,095,503.80x = 31,422,289,815,931,560
  5. Step 5: Solve for x
    x = 31,422,289,815,931,560/213,095,503.80
  6. Step 6: Final answer
    x = 147,456,371.70

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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.