Home / 229,943,319.20-344,914,978.80-216,338,429.60

Finding the Fourth Proportional to 229,943,319.20, 344,914,978.80 and 216,338,429.60

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Solution

The fourth proportional to 229,943,319.20, 344,914,978.80 and 216,338,429.60 is: 324,507,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,943,319.20 : 344,914,978.80 = 216,338,429.60 : x
  2. Step 2: Convert to fraction form
    229,943,319.20/344,914,978.80 = 216,338,429.60/x
  3. Step 3: Cross multiply
    229,943,319.20x = 344,914,978.80 × 216,338,429.60
  4. Step 4: Simplify right side
    229,943,319.20x = 74,618,364,859,109,296
  5. Step 5: Solve for x
    x = 74,618,364,859,109,296/229,943,319.20
  6. Step 6: Final answer
    x = 324,507,644.40

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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.