Home / 209,952,340.80-314,928,511.20-132,857,966.40

Finding the Fourth Proportional to 209,952,340.80, 314,928,511.20 and 132,857,966.40

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Solution

The fourth proportional to 209,952,340.80, 314,928,511.20 and 132,857,966.40 is: 199,286,949.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,340.80 : 314,928,511.20 = 132,857,966.40 : x
  2. Step 2: Convert to fraction form
    209,952,340.80/314,928,511.20 = 132,857,966.40/x
  3. Step 3: Cross multiply
    209,952,340.80x = 314,928,511.20 × 132,857,966.40
  4. Step 4: Simplify right side
    209,952,340.80x = 41,840,761,559,411,624
  5. Step 5: Solve for x
    x = 41,840,761,559,411,624/209,952,340.80
  6. Step 6: Final answer
    x = 199,286,949.60

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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.