Home / 150,935,760.32-208,292,054.62-85,749,241.28

Finding the Fourth Proportional to 150,935,760.32, 208,292,054.62 and 85,749,241.28

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Solution

The fourth proportional to 150,935,760.32, 208,292,054.62 and 85,749,241.28 is: 118,334,353.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,935,760.32 : 208,292,054.62 = 85,749,241.28 : x
  2. Step 2: Convert to fraction form
    150,935,760.32/208,292,054.62 = 85,749,241.28/x
  3. Step 3: Cross multiply
    150,935,760.32x = 208,292,054.62 × 85,749,241.28
  4. Step 4: Simplify right side
    150,935,760.32x = 17,860,885,647,888,574
  5. Step 5: Solve for x
    x = 17,860,885,647,888,574/150,935,760.32
  6. Step 6: Final answer
    x = 118,334,353.70

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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.