Home / 248,924,661.76-343,507,030.08-137,413,109.20

Finding the Fourth Proportional to 248,924,661.76, 343,507,030.08 and 137,413,109.20

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Solution

The fourth proportional to 248,924,661.76, 343,507,030.08 and 137,413,109.20 is: 189,625,120.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,924,661.76 : 343,507,030.08 = 137,413,109.20 : x
  2. Step 2: Convert to fraction form
    248,924,661.76/343,507,030.08 = 137,413,109.20/x
  3. Step 3: Cross multiply
    248,924,661.76x = 343,507,030.08 × 137,413,109.20
  4. Step 4: Simplify right side
    248,924,661.76x = 47,202,369,035,350,720
  5. Step 5: Solve for x
    x = 47,202,369,035,350,720/248,924,661.76
  6. Step 6: Final answer
    x = 189,625,120.72

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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.