Home / 72,406,661.30-108,609,991.95-49,448,410.10

Finding the Fourth Proportional to 72,406,661.30, 108,609,991.95 and 49,448,410.10

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Solution

The fourth proportional to 72,406,661.30, 108,609,991.95 and 49,448,410.10 is: 74,172,615.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,406,661.30 : 108,609,991.95 = 49,448,410.10 : x
  2. Step 2: Convert to fraction form
    72,406,661.30/108,609,991.95 = 49,448,410.10/x
  3. Step 3: Cross multiply
    72,406,661.30x = 108,609,991.95 × 49,448,410.10
  4. Step 4: Simplify right side
    72,406,661.30x = 5,370,591,422,901,299
  5. Step 5: Solve for x
    x = 5,370,591,422,901,299/72,406,661.30
  6. Step 6: Final answer
    x = 74,172,615.15

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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.