Home / 123,183,136.59-169,992,781.71-67,428,875.01

Finding the Fourth Proportional to 123,183,136.59, 169,992,781.71 and 67,428,875.01

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Solution

The fourth proportional to 123,183,136.59, 169,992,781.71 and 67,428,875.01 is: 93,051,876.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,183,136.59 : 169,992,781.71 = 67,428,875.01 : x
  2. Step 2: Convert to fraction form
    123,183,136.59/169,992,781.71 = 67,428,875.01/x
  3. Step 3: Cross multiply
    123,183,136.59x = 169,992,781.71 × 67,428,875.01
  4. Step 4: Simplify right side
    123,183,136.59x = 11,462,422,030,525,806
  5. Step 5: Solve for x
    x = 11,462,422,030,525,806/123,183,136.59
  6. Step 6: Final answer
    x = 93,051,876.64

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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.