Home / 121,279,550.55-181,919,325.83-66,671,035.35

Finding the Fourth Proportional to 121,279,550.55, 181,919,325.83 and 66,671,035.35

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Solution

The fourth proportional to 121,279,550.55, 181,919,325.83 and 66,671,035.35 is: 100,006,553.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,279,550.55 : 181,919,325.83 = 66,671,035.35 : x
  2. Step 2: Convert to fraction form
    121,279,550.55/181,919,325.83 = 66,671,035.35/x
  3. Step 3: Cross multiply
    121,279,550.55x = 181,919,325.83 × 66,671,035.35
  4. Step 4: Simplify right side
    121,279,550.55x = 12,128,749,802,926,742
  5. Step 5: Solve for x
    x = 12,128,749,802,926,742/121,279,550.55
  6. Step 6: Final answer
    x = 100,006,553.03

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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.