Home / 112,623,929.56-155,421,022.74-61,115,705.56

Finding the Fourth Proportional to 112,623,929.56, 155,421,022.74 and 61,115,705.56

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Solution

The fourth proportional to 112,623,929.56, 155,421,022.74 and 61,115,705.56 is: 84,339,673.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,623,929.56 : 155,421,022.74 = 61,115,705.56 : x
  2. Step 2: Convert to fraction form
    112,623,929.56/155,421,022.74 = 61,115,705.56/x
  3. Step 3: Cross multiply
    112,623,929.56x = 155,421,022.74 × 61,115,705.56
  4. Step 4: Simplify right side
    112,623,929.56x = 9,498,665,463,611,906
  5. Step 5: Solve for x
    x = 9,498,665,463,611,906/112,623,929.56
  6. Step 6: Final answer
    x = 84,339,673.64

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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.