Home / 112,544,142.96-155,310,917.32-61,035,918.96

Finding the Fourth Proportional to 112,544,142.96, 155,310,917.32 and 61,035,918.96

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Solution

The fourth proportional to 112,544,142.96, 155,310,917.32 and 61,035,918.96 is: 84,229,568.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,544,142.96 : 155,310,917.32 = 61,035,918.96 : x
  2. Step 2: Convert to fraction form
    112,544,142.96/155,310,917.32 = 61,035,918.96/x
  3. Step 3: Cross multiply
    112,544,142.96x = 155,310,917.32 × 61,035,918.96
  4. Step 4: Simplify right side
    112,544,142.96x = 9,479,544,563,805,490
  5. Step 5: Solve for x
    x = 9,479,544,563,805,490/112,544,142.96
  6. Step 6: Final answer
    x = 84,229,568.19

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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.