Home / 111,131,917.05-153,360,053.55-61,571,293.77

Finding the Fourth Proportional to 111,131,917.05, 153,360,053.55 and 61,571,293.77

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Solution

The fourth proportional to 111,131,917.05, 153,360,053.55 and 61,571,293.77 is: 84,967,281.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,131,917.05 : 153,360,053.55 = 61,571,293.77 : x
  2. Step 2: Convert to fraction form
    111,131,917.05/153,360,053.55 = 61,571,293.77/x
  3. Step 3: Cross multiply
    111,131,917.05x = 153,360,053.55 × 61,571,293.77
  4. Step 4: Simplify right side
    111,131,917.05x = 9,442,576,909,709,982
  5. Step 5: Solve for x
    x = 9,442,576,909,709,982/111,131,917.05
  6. Step 6: Final answer
    x = 84,967,281.77

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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.