Home / 91,155,554.70-125,794,671.64-49,902,447.06

Finding the Fourth Proportional to 91,155,554.70, 125,794,671.64 and 49,902,447.06

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Solution

The fourth proportional to 91,155,554.70, 125,794,671.64 and 49,902,447.06 is: 68,865,380.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,155,554.70 : 125,794,671.64 = 49,902,447.06 : x
  2. Step 2: Convert to fraction form
    91,155,554.70/125,794,671.64 = 49,902,447.06/x
  3. Step 3: Cross multiply
    91,155,554.70x = 125,794,671.64 × 49,902,447.06
  4. Step 4: Simplify right side
    91,155,554.70x = 6,277,461,941,945,184
  5. Step 5: Solve for x
    x = 6,277,461,941,945,184/91,155,554.70
  6. Step 6: Final answer
    x = 68,865,380.31

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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.