Home / 123,167,109.93-169,952,328.66-74,806,624.11

Finding the Fourth Proportional to 123,167,109.93, 169,952,328.66 and 74,806,624.11

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Solution

The fourth proportional to 123,167,109.93, 169,952,328.66 and 74,806,624.11 is: 103,222,036.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,167,109.93 : 169,952,328.66 = 74,806,624.11 : x
  2. Step 2: Convert to fraction form
    123,167,109.93/169,952,328.66 = 74,806,624.11/x
  3. Step 3: Cross multiply
    123,167,109.93x = 169,952,328.66 × 74,806,624.11
  4. Step 4: Simplify right side
    123,167,109.93x = 12,713,559,966,687,800
  5. Step 5: Solve for x
    x = 12,713,559,966,687,800/123,167,109.93
  6. Step 6: Final answer
    x = 103,222,036.91

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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.