Home / 371,281,926.96-556,922,993.64-138,082,169.61

Finding the Fourth Proportional to 371,281,926.96, 556,922,993.64 and 138,082,169.61

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Solution

The fourth proportional to 371,281,926.96, 556,922,993.64 and 138,082,169.61 is: 207,123,292.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,281,926.96 : 556,922,993.64 = 138,082,169.61 : x
  2. Step 2: Convert to fraction form
    371,281,926.96/556,922,993.64 = 138,082,169.61/x
  3. Step 3: Cross multiply
    371,281,926.96x = 556,922,993.64 × 138,082,169.61
  4. Step 4: Simplify right side
    371,281,926.96x = 76,901,135,267,507,440
  5. Step 5: Solve for x
    x = 76,901,135,267,507,440/371,281,926.96
  6. Step 6: Final answer
    x = 207,123,292.80

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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.