Home / 291,028,279.60-436,603,072.20-96,999,972.40

Finding the Fourth Proportional to 291,028,279.60, 436,603,072.20 and 96,999,972.40

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Solution

The fourth proportional to 291,028,279.60, 436,603,072.20 and 96,999,972.40 is: 145,520,174.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,028,279.60 : 436,603,072.20 = 96,999,972.40 : x
  2. Step 2: Convert to fraction form
    291,028,279.60/436,603,072.20 = 96,999,972.40/x
  3. Step 3: Cross multiply
    291,028,279.60x = 436,603,072.20 × 96,999,972.40
  4. Step 4: Simplify right side
    291,028,279.60x = 42,350,485,953,155,208
  5. Step 5: Solve for x
    x = 42,350,485,953,155,208/291,028,279.60
  6. Step 6: Final answer
    x = 145,520,174.23

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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.