Home / 217,030,531.52-299,428,060.56-134,494,201.28

Finding the Fourth Proportional to 217,030,531.52, 299,428,060.56 and 134,494,201.28

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Solution

The fourth proportional to 217,030,531.52, 299,428,060.56 and 134,494,201.28 is: 185,556,094.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,030,531.52 : 299,428,060.56 = 134,494,201.28 : x
  2. Step 2: Convert to fraction form
    217,030,531.52/299,428,060.56 = 134,494,201.28/x
  3. Step 3: Cross multiply
    217,030,531.52x = 299,428,060.56 × 134,494,201.28
  4. Step 4: Simplify right side
    217,030,531.52x = 40,271,337,845,836,672
  5. Step 5: Solve for x
    x = 40,271,337,845,836,672/217,030,531.52
  6. Step 6: Final answer
    x = 185,556,094.64

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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.