Home / 123,537,142.23-170,481,580.00-67,021,885.21

Finding the Fourth Proportional to 123,537,142.23, 170,481,580.00 and 67,021,885.21

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Solution

The fourth proportional to 123,537,142.23, 170,481,580.00 and 67,021,885.21 is: 92,490,377.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,537,142.23 : 170,481,580.00 = 67,021,885.21 : x
  2. Step 2: Convert to fraction form
    123,537,142.23/170,481,580.00 = 67,021,885.21/x
  3. Step 3: Cross multiply
    123,537,142.23x = 170,481,580.00 × 67,021,885.21
  4. Step 4: Simplify right side
    123,537,142.23x = 11,425,996,884,844,322
  5. Step 5: Solve for x
    x = 11,425,996,884,844,322/123,537,142.23
  6. Step 6: Final answer
    x = 92,490,377.21

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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.