Home / 209,953,043.20-314,929,564.80-107,727,414.40

Finding the Fourth Proportional to 209,953,043.20, 314,929,564.80 and 107,727,414.40

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Solution

The fourth proportional to 209,953,043.20, 314,929,564.80 and 107,727,414.40 is: 161,591,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,043.20 : 314,929,564.80 = 107,727,414.40 : x
  2. Step 2: Convert to fraction form
    209,953,043.20/314,929,564.80 = 107,727,414.40/x
  3. Step 3: Cross multiply
    209,953,043.20x = 314,929,564.80 × 107,727,414.40
  4. Step 4: Simplify right side
    209,953,043.20x = 33,926,547,734,021,256
  5. Step 5: Solve for x
    x = 33,926,547,734,021,256/209,953,043.20
  6. Step 6: Final answer
    x = 161,591,121.60

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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.