Home / 98,418,044.88-135,821,025.32-56,602,138.59

Finding the Fourth Proportional to 98,418,044.88, 135,821,025.32 and 56,602,138.59

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Solution

The fourth proportional to 98,418,044.88, 135,821,025.32 and 56,602,138.59 is: 78,113,322.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,418,044.88 : 135,821,025.32 = 56,602,138.59 : x
  2. Step 2: Convert to fraction form
    98,418,044.88/135,821,025.32 = 56,602,138.59/x
  3. Step 3: Cross multiply
    98,418,044.88x = 135,821,025.32 × 56,602,138.59
  4. Step 4: Simplify right side
    98,418,044.88x = 7,687,760,498,315,529
  5. Step 5: Solve for x
    x = 7,687,760,498,315,529/98,418,044.88
  6. Step 6: Final answer
    x = 78,113,322.69

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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.