Home / 77,493,315.84-106,940,781.65-42,686,006.26

Finding the Fourth Proportional to 77,493,315.84, 106,940,781.65 and 42,686,006.26

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Solution

The fourth proportional to 77,493,315.84, 106,940,781.65 and 42,686,006.26 is: 58,906,691.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,493,315.84 : 106,940,781.65 = 42,686,006.26 : x
  2. Step 2: Convert to fraction form
    77,493,315.84/106,940,781.65 = 42,686,006.26/x
  3. Step 3: Cross multiply
    77,493,315.84x = 106,940,781.65 × 42,686,006.26
  4. Step 4: Simplify right side
    77,493,315.84x = 4,564,874,874,961,193
  5. Step 5: Solve for x
    x = 4,564,874,874,961,193/77,493,315.84
  6. Step 6: Final answer
    x = 58,906,691.83

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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.