Home / 91,023,971.47-136,493,510.50-47,292,973.48

Finding the Fourth Proportional to 91,023,971.47, 136,493,510.50 and 47,292,973.48

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Solution

The fourth proportional to 91,023,971.47, 136,493,510.50 and 47,292,973.48 is: 70,917,406.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,023,971.47 : 136,493,510.50 = 47,292,973.48 : x
  2. Step 2: Convert to fraction form
    91,023,971.47/136,493,510.50 = 47,292,973.48/x
  3. Step 3: Cross multiply
    91,023,971.47x = 136,493,510.50 × 47,292,973.48
  4. Step 4: Simplify right side
    91,023,971.47x = 6,455,183,972,268,601
  5. Step 5: Solve for x
    x = 6,455,183,972,268,601/91,023,971.47
  6. Step 6: Final answer
    x = 70,917,406.35

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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.