Home / 91,071,251.15-125,679,323.72-49,818,143.93

Finding the Fourth Proportional to 91,071,251.15, 125,679,323.72 and 49,818,143.93

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Solution

The fourth proportional to 91,071,251.15, 125,679,323.72 and 49,818,143.93 is: 68,749,584.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,071,251.15 : 125,679,323.72 = 49,818,143.93 : x
  2. Step 2: Convert to fraction form
    91,071,251.15/125,679,323.72 = 49,818,143.93/x
  3. Step 3: Cross multiply
    91,071,251.15x = 125,679,323.72 × 49,818,143.93
  4. Step 4: Simplify right side
    91,071,251.15x = 6,261,110,637,604,171
  5. Step 5: Solve for x
    x = 6,261,110,637,604,171/91,071,251.15
  6. Step 6: Final answer
    x = 68,749,584.08

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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.