Home / 107,897,861.70-161,846,792.55-39,731,696.10

Finding the Fourth Proportional to 107,897,861.70, 161,846,792.55 and 39,731,696.10

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Solution

The fourth proportional to 107,897,861.70, 161,846,792.55 and 39,731,696.10 is: 59,597,544.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,897,861.70 : 161,846,792.55 = 39,731,696.10 : x
  2. Step 2: Convert to fraction form
    107,897,861.70/161,846,792.55 = 39,731,696.10/x
  3. Step 3: Cross multiply
    107,897,861.70x = 161,846,792.55 × 39,731,696.10
  4. Step 4: Simplify right side
    107,897,861.70x = 6,430,447,576,356,345
  5. Step 5: Solve for x
    x = 6,430,447,576,356,345/107,897,861.70
  6. Step 6: Final answer
    x = 59,597,544.15

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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.