Home / 144,881,355.72-199,918,123.79-97,940,562.81

Finding the Fourth Proportional to 144,881,355.72, 199,918,123.79 and 97,940,562.81

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Solution

The fourth proportional to 144,881,355.72, 199,918,123.79 and 97,940,562.81 is: 135,145,709.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,881,355.72 : 199,918,123.79 = 97,940,562.81 : x
  2. Step 2: Convert to fraction form
    144,881,355.72/199,918,123.79 = 97,940,562.81/x
  3. Step 3: Cross multiply
    144,881,355.72x = 199,918,123.79 × 97,940,562.81
  4. Step 4: Simplify right side
    144,881,355.72x = 19,580,093,560,697,844
  5. Step 5: Solve for x
    x = 19,580,093,560,697,844/144,881,355.72
  6. Step 6: Final answer
    x = 135,145,709.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.