Home / 121,145,664.60-181,718,496.90-49,342,080.60

Finding the Fourth Proportional to 121,145,664.60, 181,718,496.90 and 49,342,080.60

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Solution

The fourth proportional to 121,145,664.60, 181,718,496.90 and 49,342,080.60 is: 74,013,120.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,145,664.60 : 181,718,496.90 = 49,342,080.60 : x
  2. Step 2: Convert to fraction form
    121,145,664.60/181,718,496.90 = 49,342,080.60/x
  3. Step 3: Cross multiply
    121,145,664.60x = 181,718,496.90 × 49,342,080.60
  4. Step 4: Simplify right side
    121,145,664.60x = 8,966,368,720,550,651
  5. Step 5: Solve for x
    x = 8,966,368,720,550,651/121,145,664.60
  6. Step 6: Final answer
    x = 74,013,120.90

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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.