Home / 291,230,229.12-436,846,976.76-97,141,111.48

Finding the Fourth Proportional to 291,230,229.12, 436,846,976.76 and 97,141,111.48

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Solution

The fourth proportional to 291,230,229.12, 436,846,976.76 and 97,141,111.48 is: 145,712,211.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,230,229.12 : 436,846,976.76 = 97,141,111.48 : x
  2. Step 2: Convert to fraction form
    291,230,229.12/436,846,976.76 = 97,141,111.48/x
  3. Step 3: Cross multiply
    291,230,229.12x = 436,846,976.76 × 97,141,111.48
  4. Step 4: Simplify right side
    291,230,229.12x = 42,435,800,869,144,128
  5. Step 5: Solve for x
    x = 42,435,800,869,144,128/291,230,229.12
  6. Step 6: Final answer
    x = 145,712,211.94

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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.