Home / 371,281,937.76-556,923,009.78-138,082,180.32

Finding the Fourth Proportional to 371,281,937.76, 556,923,009.78 and 138,082,180.32

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Solution

The fourth proportional to 371,281,937.76, 556,923,009.78 and 138,082,180.32 is: 207,123,308.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,281,937.76 : 556,923,009.78 = 138,082,180.32 : x
  2. Step 2: Convert to fraction form
    371,281,937.76/556,923,009.78 = 138,082,180.32/x
  3. Step 3: Cross multiply
    371,281,937.76x = 556,923,009.78 × 138,082,180.32
  4. Step 4: Simplify right side
    371,281,937.76x = 76,901,143,460,799,072
  5. Step 5: Solve for x
    x = 76,901,143,460,799,072/371,281,937.76
  6. Step 6: Final answer
    x = 207,123,308.84

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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.