Home / 220,196,657.70-330,284,488.95-74,615,940.90

Finding the Fourth Proportional to 220,196,657.70, 330,284,488.95 and 74,615,940.90

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Solution

The fourth proportional to 220,196,657.70, 330,284,488.95 and 74,615,940.90 is: 111,920,354.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,196,657.70 : 330,284,488.95 = 74,615,940.90 : x
  2. Step 2: Convert to fraction form
    220,196,657.70/330,284,488.95 = 74,615,940.90/x
  3. Step 3: Cross multiply
    220,196,657.70x = 330,284,488.95 × 74,615,940.90
  4. Step 4: Simplify right side
    220,196,657.70x = 24,644,487,907,679,904
  5. Step 5: Solve for x
    x = 24,644,487,907,679,904/220,196,657.70
  6. Step 6: Final answer
    x = 111,920,354.13

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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.