Home / 49,876,513.80-74,773,298.70-21,144,712.20

Finding the Fourth Proportional to 49,876,513.80, 74,773,298.70 and 21,144,712.20

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Solution

The fourth proportional to 49,876,513.80, 74,773,298.70 and 21,144,712.20 is: 31,699,486.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,876,513.80 : 74,773,298.70 = 21,144,712.20 : x
  2. Step 2: Convert to fraction form
    49,876,513.80/74,773,298.70 = 21,144,712.20/x
  3. Step 3: Cross multiply
    49,876,513.80x = 74,773,298.70 × 21,144,712.20
  4. Step 4: Simplify right side
    49,876,513.80x = 1,581,059,881,256,134.25
  5. Step 5: Solve for x
    x = 1,581,059,881,256,134.25/49,876,513.80
  6. Step 6: Final answer
    x = 31,699,486.61

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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.