Home / 77,124,212.37-106,433,371.32-42,316,893.58

Finding the Fourth Proportional to 77,124,212.37, 106,433,371.32 and 42,316,893.58

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Solution

The fourth proportional to 77,124,212.37, 106,433,371.32 and 42,316,893.58 is: 58,398,387.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,124,212.37 : 106,433,371.32 = 42,316,893.58 : x
  2. Step 2: Convert to fraction form
    77,124,212.37/106,433,371.32 = 42,316,893.58/x
  3. Step 3: Cross multiply
    77,124,212.37x = 106,433,371.32 × 42,316,893.58
  4. Step 4: Simplify right side
    77,124,212.37x = 4,503,929,647,509,064
  5. Step 5: Solve for x
    x = 4,503,929,647,509,064/77,124,212.37
  6. Step 6: Final answer
    x = 58,398,387.61

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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.