Home / 248,897,826.57-343,478,948.90-137,388,637.67

Finding the Fourth Proportional to 248,897,826.57, 343,478,948.90 and 137,388,637.67

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Solution

The fourth proportional to 248,897,826.57, 343,478,948.90 and 137,388,637.67 is: 189,596,291.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,897,826.57 : 343,478,948.90 = 137,388,637.67 : x
  2. Step 2: Convert to fraction form
    248,897,826.57/343,478,948.90 = 137,388,637.67/x
  3. Step 3: Cross multiply
    248,897,826.57x = 343,478,948.90 × 137,388,637.67
  4. Step 4: Simplify right side
    248,897,826.57x = 47,190,104,857,998,872
  5. Step 5: Solve for x
    x = 47,190,104,857,998,872/248,897,826.57
  6. Step 6: Final answer
    x = 189,596,291.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.