Home / 197,520,026.31-272,577,541.50-118,135,086.42

Finding the Fourth Proportional to 197,520,026.31, 272,577,541.50 and 118,135,086.42

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Solution

The fourth proportional to 197,520,026.31, 272,577,541.50 and 118,135,086.42 is: 163,026,362.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,520,026.31 : 272,577,541.50 = 118,135,086.42 : x
  2. Step 2: Convert to fraction form
    197,520,026.31/272,577,541.50 = 118,135,086.42/x
  3. Step 3: Cross multiply
    197,520,026.31x = 272,577,541.50 × 118,135,086.42
  4. Step 4: Simplify right side
    197,520,026.31x = 32,200,971,421,253,636
  5. Step 5: Solve for x
    x = 32,200,971,421,253,636/197,520,026.31
  6. Step 6: Final answer
    x = 163,026,362.56

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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.