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Finding the Fourth Proportional to 92,895,560.78, 128,006,978.06 and 71,859,852.54

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Solution

The fourth proportional to 92,895,560.78, 128,006,978.06 and 71,859,852.54 is: 99,020,475.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,895,560.78 : 128,006,978.06 = 71,859,852.54 : x
  2. Step 2: Convert to fraction form
    92,895,560.78/128,006,978.06 = 71,859,852.54/x
  3. Step 3: Cross multiply
    92,895,560.78x = 128,006,978.06 × 71,859,852.54
  4. Step 4: Simplify right side
    92,895,560.78x = 9,198,562,567,662,266
  5. Step 5: Solve for x
    x = 9,198,562,567,662,266/92,895,560.78
  6. Step 6: Final answer
    x = 99,020,475.15

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Why These Related Problems?

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