Home / 218,503,145.80-301,534,665.44-124,417,369.44

Finding the Fourth Proportional to 218,503,145.80, 301,534,665.44 and 124,417,369.44

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Solution

The fourth proportional to 218,503,145.80, 301,534,665.44 and 124,417,369.44 is: 171,696,154.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,503,145.80 : 301,534,665.44 = 124,417,369.44 : x
  2. Step 2: Convert to fraction form
    218,503,145.80/301,534,665.44 = 124,417,369.44/x
  3. Step 3: Cross multiply
    218,503,145.80x = 301,534,665.44 × 124,417,369.44
  4. Step 4: Simplify right side
    218,503,145.80x = 37,516,149,869,015,280
  5. Step 5: Solve for x
    x = 37,516,149,869,015,280/218,503,145.80
  6. Step 6: Final answer
    x = 171,696,154.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.