Home / 248,897,830.34-343,478,954.07-137,388,641.42

Finding the Fourth Proportional to 248,897,830.34, 343,478,954.07 and 137,388,641.42

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Solution

The fourth proportional to 248,897,830.34, 343,478,954.07 and 137,388,641.42 is: 189,596,296.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,897,830.34 : 343,478,954.07 = 137,388,641.42 : x
  2. Step 2: Convert to fraction form
    248,897,830.34/343,478,954.07 = 137,388,641.42/x
  3. Step 3: Cross multiply
    248,897,830.34x = 343,478,954.07 × 137,388,641.42
  4. Step 4: Simplify right side
    248,897,830.34x = 47,190,106,854,322,480
  5. Step 5: Solve for x
    x = 47,190,106,854,322,480/248,897,830.34
  6. Step 6: Final answer
    x = 189,596,296.56

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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.