Home / 77,493,319.05-106,940,786.13-42,686,009.49

Finding the Fourth Proportional to 77,493,319.05, 106,940,786.13 and 42,686,009.49

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Solution

The fourth proportional to 77,493,319.05, 106,940,786.13 and 42,686,009.49 is: 58,906,696.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,493,319.05 : 106,940,786.13 = 42,686,009.49 : x
  2. Step 2: Convert to fraction form
    77,493,319.05/106,940,786.13 = 42,686,009.49/x
  3. Step 3: Cross multiply
    77,493,319.05x = 106,940,786.13 × 42,686,009.49
  4. Step 4: Simplify right side
    77,493,319.05x = 4,564,875,411,613,240
  5. Step 5: Solve for x
    x = 4,564,875,411,613,240/77,493,319.05
  6. Step 6: Final answer
    x = 58,906,696.31

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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.