Home / 371,281,924.71-556,922,990.27-138,082,167.36

Finding the Fourth Proportional to 371,281,924.71, 556,922,990.27 and 138,082,167.36

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Solution

The fourth proportional to 371,281,924.71, 556,922,990.27 and 138,082,167.36 is: 207,123,289.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,281,924.71 : 556,922,990.27 = 138,082,167.36 : x
  2. Step 2: Convert to fraction form
    371,281,924.71/556,922,990.27 = 138,082,167.36/x
  3. Step 3: Cross multiply
    371,281,924.71x = 556,922,990.27 × 138,082,167.36
  4. Step 4: Simplify right side
    371,281,924.71x = 76,901,133,548,403,392
  5. Step 5: Solve for x
    x = 76,901,133,548,403,392/371,281,924.71
  6. Step 6: Final answer
    x = 207,123,289.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.