Home / 149,454,780.94-206,222,055.10-86,716,496.29

Finding the Fourth Proportional to 149,454,780.94, 206,222,055.10 and 86,716,496.29

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Solution

The fourth proportional to 149,454,780.94, 206,222,055.10 and 86,716,496.29 is: 119,653,944.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,454,780.94 : 206,222,055.10 = 86,716,496.29 : x
  2. Step 2: Convert to fraction form
    149,454,780.94/206,222,055.10 = 86,716,496.29/x
  3. Step 3: Cross multiply
    149,454,780.94x = 206,222,055.10 × 86,716,496.29
  4. Step 4: Simplify right side
    149,454,780.94x = 17,882,854,075,995,326
  5. Step 5: Solve for x
    x = 17,882,854,075,995,326/149,454,780.94
  6. Step 6: Final answer
    x = 119,653,944.58

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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.