Home / 371,281,938.76-556,923,011.28-138,082,181.32

Finding the Fourth Proportional to 371,281,938.76, 556,923,011.28 and 138,082,181.32

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Solution

The fourth proportional to 371,281,938.76, 556,923,011.28 and 138,082,181.32 is: 207,123,310.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,281,938.76 : 556,923,011.28 = 138,082,181.32 : x
  2. Step 2: Convert to fraction form
    371,281,938.76/556,923,011.28 = 138,082,181.32/x
  3. Step 3: Cross multiply
    371,281,938.76x = 556,923,011.28 × 138,082,181.32
  4. Step 4: Simplify right side
    371,281,938.76x = 76,901,144,224,845,360
  5. Step 5: Solve for x
    x = 76,901,144,224,845,360/371,281,938.76
  6. Step 6: Final answer
    x = 207,123,310.34

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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.