Home / 248,068,479-342,334,501.02-138,086,173.56

Finding the Fourth Proportional to 248,068,479, 342,334,501.02 and 138,086,173.56

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Solution

The fourth proportional to 248,068,479, 342,334,501.02 and 138,086,173.56 is: 190,558,919.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,068,479 : 342,334,501.02 = 138,086,173.56 : x
  2. Step 2: Convert to fraction form
    248,068,479/342,334,501.02 = 138,086,173.56/x
  3. Step 3: Cross multiply
    248,068,479x = 342,334,501.02 × 138,086,173.56
  4. Step 4: Simplify right side
    248,068,479x = 47,271,661,323,423,712
  5. Step 5: Solve for x
    x = 47,271,661,323,423,712/248,068,479
  6. Step 6: Final answer
    x = 190,558,919.51

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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.