Home / 123,183,132.84-169,992,776.54-67,428,871.26

Finding the Fourth Proportional to 123,183,132.84, 169,992,776.54 and 67,428,871.26

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Solution

The fourth proportional to 123,183,132.84, 169,992,776.54 and 67,428,871.26 is: 93,051,871.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,183,132.84 : 169,992,776.54 = 67,428,871.26 : x
  2. Step 2: Convert to fraction form
    123,183,132.84/169,992,776.54 = 67,428,871.26/x
  3. Step 3: Cross multiply
    123,183,132.84x = 169,992,776.54 × 67,428,871.26
  4. Step 4: Simplify right side
    123,183,132.84x = 11,462,421,044,108,464
  5. Step 5: Solve for x
    x = 11,462,421,044,108,464/123,183,132.84
  6. Step 6: Final answer
    x = 93,051,871.47

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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.