Home / 213,095,486.80-319,643,230.20-98,304,230.80

Finding the Fourth Proportional to 213,095,486.80, 319,643,230.20 and 98,304,230.80

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Solution

The fourth proportional to 213,095,486.80, 319,643,230.20 and 98,304,230.80 is: 147,456,346.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,095,486.80 : 319,643,230.20 = 98,304,230.80 : x
  2. Step 2: Convert to fraction form
    213,095,486.80/319,643,230.20 = 98,304,230.80/x
  3. Step 3: Cross multiply
    213,095,486.80x = 319,643,230.20 × 98,304,230.80
  4. Step 4: Simplify right side
    213,095,486.80x = 31,422,281,875,238,328
  5. Step 5: Solve for x
    x = 31,422,281,875,238,328/213,095,486.80
  6. Step 6: Final answer
    x = 147,456,346.20

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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.