Home / 220,167,097.80-330,250,646.70-66,812,908.20

Finding the Fourth Proportional to 220,167,097.80, 330,250,646.70 and 66,812,908.20

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Solution

The fourth proportional to 220,167,097.80, 330,250,646.70 and 66,812,908.20 is: 100,219,362.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,167,097.80 : 330,250,646.70 = 66,812,908.20 : x
  2. Step 2: Convert to fraction form
    220,167,097.80/330,250,646.70 = 66,812,908.20/x
  3. Step 3: Cross multiply
    220,167,097.80x = 330,250,646.70 × 66,812,908.20
  4. Step 4: Simplify right side
    220,167,097.80x = 22,065,006,140,957,732
  5. Step 5: Solve for x
    x = 22,065,006,140,957,732/220,167,097.80
  6. Step 6: Final answer
    x = 100,219,362.30

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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.