Home / 42,689,703.76-64,060,058.54-39,216,508.39

Finding the Fourth Proportional to 42,689,703.76, 64,060,058.54 and 39,216,508.39

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Solution

The fourth proportional to 42,689,703.76, 64,060,058.54 and 39,216,508.39 is: 58,848,190.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,689,703.76 : 64,060,058.54 = 39,216,508.39 : x
  2. Step 2: Convert to fraction form
    42,689,703.76/64,060,058.54 = 39,216,508.39/x
  3. Step 3: Cross multiply
    42,689,703.76x = 64,060,058.54 × 39,216,508.39
  4. Step 4: Simplify right side
    42,689,703.76x = 2,512,211,823,340,884
  5. Step 5: Solve for x
    x = 2,512,211,823,340,884/42,689,703.76
  6. Step 6: Final answer
    x = 58,848,190.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.