Home / 135,555,398.84-187,143,269.09-103,705,646.27

Finding the Fourth Proportional to 135,555,398.84, 187,143,269.09 and 103,705,646.27

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Solution

The fourth proportional to 135,555,398.84, 187,143,269.09 and 103,705,646.27 is: 143,172,561.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,555,398.84 : 187,143,269.09 = 103,705,646.27 : x
  2. Step 2: Convert to fraction form
    135,555,398.84/187,143,269.09 = 103,705,646.27/x
  3. Step 3: Cross multiply
    135,555,398.84x = 187,143,269.09 × 103,705,646.27
  4. Step 4: Simplify right side
    135,555,398.84x = 19,407,813,666,385,516
  5. Step 5: Solve for x
    x = 19,407,813,666,385,516/135,555,398.84
  6. Step 6: Final answer
    x = 143,172,561.42

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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.