Home / 54,909,513.78-75,774,632.13-30,129,229.14

Finding the Fourth Proportional to 54,909,513.78, 75,774,632.13 and 30,129,229.14

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Solution

The fourth proportional to 54,909,513.78, 75,774,632.13 and 30,129,229.14 is: 41,578,063.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,909,513.78 : 75,774,632.13 = 30,129,229.14 : x
  2. Step 2: Convert to fraction form
    54,909,513.78/75,774,632.13 = 30,129,229.14/x
  3. Step 3: Cross multiply
    54,909,513.78x = 75,774,632.13 × 30,129,229.14
  4. Step 4: Simplify right side
    54,909,513.78x = 2,283,031,254,443,976
  5. Step 5: Solve for x
    x = 2,283,031,254,443,976/54,909,513.78
  6. Step 6: Final answer
    x = 41,578,063.57

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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.