Home / 220,109,578.60-330,295,004.70-83,808,740.20

Finding the Fourth Proportional to 220,109,578.60, 330,295,004.70 and 83,808,740.20

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Solution

The fourth proportional to 220,109,578.60, 330,295,004.70 and 83,808,740.20 is: 125,762,851.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,109,578.60 : 330,295,004.70 = 83,808,740.20 : x
  2. Step 2: Convert to fraction form
    220,109,578.60/330,295,004.70 = 83,808,740.20/x
  3. Step 3: Cross multiply
    220,109,578.60x = 330,295,004.70 × 83,808,740.20
  4. Step 4: Simplify right side
    220,109,578.60x = 27,681,608,238,260,080
  5. Step 5: Solve for x
    x = 27,681,608,238,260,080/220,109,578.60
  6. Step 6: Final answer
    x = 125,762,851.46

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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.