Home / 123,183,135.59-169,992,780.33-67,428,874.01

Finding the Fourth Proportional to 123,183,135.59, 169,992,780.33 and 67,428,874.01

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Solution

The fourth proportional to 123,183,135.59, 169,992,780.33 and 67,428,874.01 is: 93,051,875.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,183,135.59 : 169,992,780.33 = 67,428,874.01 : x
  2. Step 2: Convert to fraction form
    123,183,135.59/169,992,780.33 = 67,428,874.01/x
  3. Step 3: Cross multiply
    123,183,135.59x = 169,992,780.33 × 67,428,874.01
  4. Step 4: Simplify right side
    123,183,135.59x = 11,462,421,767,481,178
  5. Step 5: Solve for x
    x = 11,462,421,767,481,178/123,183,135.59
  6. Step 6: Final answer
    x = 93,051,875.26

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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.