Home / 220,109,140.80-330,163,711.20-216,707,918.40

Finding the Fourth Proportional to 220,109,140.80, 330,163,711.20 and 216,707,918.40

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Solution

The fourth proportional to 220,109,140.80, 330,163,711.20 and 216,707,918.40 is: 325,061,877.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,109,140.80 : 330,163,711.20 = 216,707,918.40 : x
  2. Step 2: Convert to fraction form
    220,109,140.80/330,163,711.20 = 216,707,918.40/x
  3. Step 3: Cross multiply
    220,109,140.80x = 330,163,711.20 × 216,707,918.40
  4. Step 4: Simplify right side
    220,109,140.80x = 71,549,090,585,370,768
  5. Step 5: Solve for x
    x = 71,549,090,585,370,768/220,109,140.80
  6. Step 6: Final answer
    x = 325,061,877.60

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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.