Home / 42,696,998.20-64,053,791.70-18,435,878.20

Finding the Fourth Proportional to 42,696,998.20, 64,053,791.70 and 18,435,878.20

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Solution

The fourth proportional to 42,696,998.20, 64,053,791.70 and 18,435,878.20 is: 27,657,398.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,696,998.20 : 64,053,791.70 = 18,435,878.20 : x
  2. Step 2: Convert to fraction form
    42,696,998.20/64,053,791.70 = 18,435,878.20/x
  3. Step 3: Cross multiply
    42,696,998.20x = 64,053,791.70 × 18,435,878.20
  4. Step 4: Simplify right side
    42,696,998.20x = 1,180,887,902,029,371
  5. Step 5: Solve for x
    x = 1,180,887,902,029,371/42,696,998.20
  6. Step 6: Final answer
    x = 27,657,398.69

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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.