Home / 123,183,130.98-169,992,773.98-67,428,869.39

Finding the Fourth Proportional to 123,183,130.98, 169,992,773.98 and 67,428,869.39

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Solution

The fourth proportional to 123,183,130.98, 169,992,773.98 and 67,428,869.39 is: 93,051,868.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,183,130.98 : 169,992,773.98 = 67,428,869.39 : x
  2. Step 2: Convert to fraction form
    123,183,130.98/169,992,773.98 = 67,428,869.39/x
  3. Step 3: Cross multiply
    123,183,130.98x = 169,992,773.98 × 67,428,869.39
  4. Step 4: Simplify right side
    123,183,130.98x = 11,462,420,552,922,674
  5. Step 5: Solve for x
    x = 11,462,420,552,922,674/123,183,130.98
  6. Step 6: Final answer
    x = 93,051,868.89

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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.