Home / 248,068,652.16-342,334,744.56-138,086,346.72

Finding the Fourth Proportional to 248,068,652.16, 342,334,744.56 and 138,086,346.72

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Solution

The fourth proportional to 248,068,652.16, 342,334,744.56 and 138,086,346.72 is: 190,559,161.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,068,652.16 : 342,334,744.56 = 138,086,346.72 : x
  2. Step 2: Convert to fraction form
    248,068,652.16/342,334,744.56 = 138,086,346.72/x
  3. Step 3: Cross multiply
    248,068,652.16x = 342,334,744.56 × 138,086,346.72
  4. Step 4: Simplify right side
    248,068,652.16x = 47,271,754,231,614,792
  5. Step 5: Solve for x
    x = 47,271,754,231,614,792/248,068,652.16
  6. Step 6: Final answer
    x = 190,559,161.02

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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.