Home / 150,935,766.79-208,292,063.52-85,749,247.75

Finding the Fourth Proportional to 150,935,766.79, 208,292,063.52 and 85,749,247.75

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Solution

The fourth proportional to 150,935,766.79, 208,292,063.52 and 85,749,247.75 is: 118,334,362.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,935,766.79 : 208,292,063.52 = 85,749,247.75 : x
  2. Step 2: Convert to fraction form
    150,935,766.79/208,292,063.52 = 85,749,247.75/x
  3. Step 3: Cross multiply
    150,935,766.79x = 208,292,063.52 × 85,749,247.75
  4. Step 4: Simplify right side
    150,935,766.79x = 17,860,887,759,135,218
  5. Step 5: Solve for x
    x = 17,860,887,759,135,218/150,935,766.79
  6. Step 6: Final answer
    x = 118,334,362.62

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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.