Home / 121,081,891.74-181,750,667.76-56,448,037.32

Finding the Fourth Proportional to 121,081,891.74, 181,750,667.76 and 56,448,037.32

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Solution

The fourth proportional to 121,081,891.74, 181,750,667.76 and 56,448,037.32 is: 84,731,650.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,081,891.74 : 181,750,667.76 = 56,448,037.32 : x
  2. Step 2: Convert to fraction form
    121,081,891.74/181,750,667.76 = 56,448,037.32/x
  3. Step 3: Cross multiply
    121,081,891.74x = 181,750,667.76 × 56,448,037.32
  4. Step 4: Simplify right side
    121,081,891.74x = 10,259,468,476,651,400
  5. Step 5: Solve for x
    x = 10,259,468,476,651,400/121,081,891.74
  6. Step 6: Final answer
    x = 84,731,650.04

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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.