Home / 124,376,112.20-171,639,631.59-68,621,529.44

Finding the Fourth Proportional to 124,376,112.20, 171,639,631.59 and 68,621,529.44

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Solution

The fourth proportional to 124,376,112.20, 171,639,631.59 and 68,621,529.44 is: 94,698,039.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,376,112.20 : 171,639,631.59 = 68,621,529.44 : x
  2. Step 2: Convert to fraction form
    124,376,112.20/171,639,631.59 = 68,621,529.44/x
  3. Step 3: Cross multiply
    124,376,112.20x = 171,639,631.59 × 68,621,529.44
  4. Step 4: Simplify right side
    124,376,112.20x = 11,778,174,032,223,938
  5. Step 5: Solve for x
    x = 11,778,174,032,223,938/124,376,112.20
  6. Step 6: Final answer
    x = 94,698,039.87

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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.