Home / 147,138,357.53-220,630,900.47-69,394,387.22

Finding the Fourth Proportional to 147,138,357.53, 220,630,900.47 and 69,394,387.22

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Solution

The fourth proportional to 147,138,357.53, 220,630,900.47 and 69,394,387.22 is: 104,055,437.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,138,357.53 : 220,630,900.47 = 69,394,387.22 : x
  2. Step 2: Convert to fraction form
    147,138,357.53/220,630,900.47 = 69,394,387.22/x
  3. Step 3: Cross multiply
    147,138,357.53x = 220,630,900.47 × 69,394,387.22
  4. Step 4: Simplify right side
    147,138,357.53x = 15,310,546,139,912,460
  5. Step 5: Solve for x
    x = 15,310,546,139,912,460/147,138,357.53
  6. Step 6: Final answer
    x = 104,055,437.33

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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.