Home / 220,342,929.08-330,455,344.61-66,947,798.84

Finding the Fourth Proportional to 220,342,929.08, 330,455,344.61 and 66,947,798.84

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Solution

The fourth proportional to 220,342,929.08, 330,455,344.61 and 66,947,798.84 is: 100,403,757.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,342,929.08 : 330,455,344.61 = 66,947,798.84 : x
  2. Step 2: Convert to fraction form
    220,342,929.08/330,455,344.61 = 66,947,798.84/x
  3. Step 3: Cross multiply
    220,342,929.08x = 330,455,344.61 × 66,947,798.84
  4. Step 4: Simplify right side
    220,342,929.08x = 22,123,257,935,069,588
  5. Step 5: Solve for x
    x = 22,123,257,935,069,588/220,342,929.08
  6. Step 6: Final answer
    x = 100,403,757.13

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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.