Home / 253,692,023.10-380,538,034.65-144,852,906.30

Finding the Fourth Proportional to 253,692,023.10, 380,538,034.65 and 144,852,906.30

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Solution

The fourth proportional to 253,692,023.10, 380,538,034.65 and 144,852,906.30 is: 217,279,359.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,692,023.10 : 380,538,034.65 = 144,852,906.30 : x
  2. Step 2: Convert to fraction form
    253,692,023.10/380,538,034.65 = 144,852,906.30/x
  3. Step 3: Cross multiply
    253,692,023.10x = 380,538,034.65 × 144,852,906.30
  4. Step 4: Simplify right side
    253,692,023.10x = 55,122,040,276,742,608
  5. Step 5: Solve for x
    x = 55,122,040,276,742,608/253,692,023.10
  6. Step 6: Final answer
    x = 217,279,359.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.