Home / 167,553,008.70-251,329,513.05-81,459,566.70

Finding the Fourth Proportional to 167,553,008.70, 251,329,513.05 and 81,459,566.70

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Solution

The fourth proportional to 167,553,008.70, 251,329,513.05 and 81,459,566.70 is: 122,189,350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,553,008.70 : 251,329,513.05 = 81,459,566.70 : x
  2. Step 2: Convert to fraction form
    167,553,008.70/251,329,513.05 = 81,459,566.70/x
  3. Step 3: Cross multiply
    167,553,008.70x = 251,329,513.05 × 81,459,566.70
  4. Step 4: Simplify right side
    167,553,008.70x = 20,473,193,231,974,996
  5. Step 5: Solve for x
    x = 20,473,193,231,974,996/167,553,008.70
  6. Step 6: Final answer
    x = 122,189,350.05

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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.