Home / 123,537,141.48-170,481,578.96-67,021,884.46

Finding the Fourth Proportional to 123,537,141.48, 170,481,578.96 and 67,021,884.46

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Solution

The fourth proportional to 123,537,141.48, 170,481,578.96 and 67,021,884.46 is: 92,490,376.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,537,141.48 : 170,481,578.96 = 67,021,884.46 : x
  2. Step 2: Convert to fraction form
    123,537,141.48/170,481,578.96 = 67,021,884.46/x
  3. Step 3: Cross multiply
    123,537,141.48x = 170,481,578.96 × 67,021,884.46
  4. Step 4: Simplify right side
    123,537,141.48x = 11,425,996,687,615,488
  5. Step 5: Solve for x
    x = 11,425,996,687,615,488/123,537,141.48
  6. Step 6: Final answer
    x = 92,490,376.18

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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.