Home / 77,493,320.05-106,940,787.51-42,686,010.49

Finding the Fourth Proportional to 77,493,320.05, 106,940,787.51 and 42,686,010.49

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Solution

The fourth proportional to 77,493,320.05, 106,940,787.51 and 42,686,010.49 is: 58,906,697.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,493,320.05 : 106,940,787.51 = 42,686,010.49 : x
  2. Step 2: Convert to fraction form
    77,493,320.05/106,940,787.51 = 42,686,010.49/x
  3. Step 3: Cross multiply
    77,493,320.05x = 106,940,787.51 × 42,686,010.49
  4. Step 4: Simplify right side
    77,493,320.05x = 4,564,875,577,460,721
  5. Step 5: Solve for x
    x = 4,564,875,577,460,721/77,493,320.05
  6. Step 6: Final answer
    x = 58,906,697.69

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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.