Home / 51,114,129.84-70,537,145.76-27,909,243.36

Finding the Fourth Proportional to 51,114,129.84, 70,537,145.76 and 27,909,243.36

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Solution

The fourth proportional to 51,114,129.84, 70,537,145.76 and 27,909,243.36 is: 38,514,562.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,114,129.84 : 70,537,145.76 = 27,909,243.36 : x
  2. Step 2: Convert to fraction form
    51,114,129.84/70,537,145.76 = 27,909,243.36/x
  3. Step 3: Cross multiply
    51,114,129.84x = 70,537,145.76 × 27,909,243.36
  4. Step 4: Simplify right side
    51,114,129.84x = 1,968,638,366,935,632.25
  5. Step 5: Solve for x
    x = 1,968,638,366,935,632.25/51,114,129.84
  6. Step 6: Final answer
    x = 38,514,562.86

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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.