Home / 121,143,458.10-181,715,187.15-109,050,222.90

Finding the Fourth Proportional to 121,143,458.10, 181,715,187.15 and 109,050,222.90

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Solution

The fourth proportional to 121,143,458.10, 181,715,187.15 and 109,050,222.90 is: 163,575,334.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,143,458.10 : 181,715,187.15 = 109,050,222.90 : x
  2. Step 2: Convert to fraction form
    121,143,458.10/181,715,187.15 = 109,050,222.90/x
  3. Step 3: Cross multiply
    121,143,458.10x = 181,715,187.15 × 109,050,222.90
  4. Step 4: Simplify right side
    121,143,458.10x = 19,816,081,663,022,716
  5. Step 5: Solve for x
    x = 19,816,081,663,022,716/121,143,458.10
  6. Step 6: Final answer
    x = 163,575,334.35

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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.