Home / 74,448,277.20-111,672,415.80-55,316,401.20

Finding the Fourth Proportional to 74,448,277.20, 111,672,415.80 and 55,316,401.20

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Solution

The fourth proportional to 74,448,277.20, 111,672,415.80 and 55,316,401.20 is: 82,974,601.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,448,277.20 : 111,672,415.80 = 55,316,401.20 : x
  2. Step 2: Convert to fraction form
    74,448,277.20/111,672,415.80 = 55,316,401.20/x
  3. Step 3: Cross multiply
    74,448,277.20x = 111,672,415.80 × 55,316,401.20
  4. Step 4: Simplify right side
    74,448,277.20x = 6,177,316,155,366,019
  5. Step 5: Solve for x
    x = 6,177,316,155,366,019/74,448,277.20
  6. Step 6: Final answer
    x = 82,974,601.80

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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.