Home / 91,765,923.18-126,640,317.93-49,947,968.12

Finding the Fourth Proportional to 91,765,923.18, 126,640,317.93 and 49,947,968.12

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Solution

The fourth proportional to 91,765,923.18, 126,640,317.93 and 49,947,968.12 is: 68,930,016.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,765,923.18 : 126,640,317.93 = 49,947,968.12 : x
  2. Step 2: Convert to fraction form
    91,765,923.18/126,640,317.93 = 49,947,968.12/x
  3. Step 3: Cross multiply
    91,765,923.18x = 126,640,317.93 × 49,947,968.12
  4. Step 4: Simplify right side
    91,765,923.18x = 6,325,426,562,674,304
  5. Step 5: Solve for x
    x = 6,325,426,562,674,304/91,765,923.18
  6. Step 6: Final answer
    x = 68,930,016.10

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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.