Home / 291,101,999.40-436,652,999.10-97,019,746.20

Finding the Fourth Proportional to 291,101,999.40, 436,652,999.10 and 97,019,746.20

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Solution

The fourth proportional to 291,101,999.40, 436,652,999.10 and 97,019,746.20 is: 145,529,619.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,101,999.40 : 436,652,999.10 = 97,019,746.20 : x
  2. Step 2: Convert to fraction form
    291,101,999.40/436,652,999.10 = 97,019,746.20/x
  3. Step 3: Cross multiply
    291,101,999.40x = 436,652,999.10 × 97,019,746.20
  4. Step 4: Simplify right side
    291,101,999.40x = 42,363,963,150,150,832
  5. Step 5: Solve for x
    x = 42,363,963,150,150,832/291,101,999.40
  6. Step 6: Final answer
    x = 145,529,619.30

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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.