Home / 54,988,190.82-75,875,267.70-31,778,835.48

Finding the Fourth Proportional to 54,988,190.82, 75,875,267.70 and 31,778,835.48

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Solution

The fourth proportional to 54,988,190.82, 75,875,267.70 and 31,778,835.48 is: 43,849,917.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,988,190.82 : 75,875,267.70 = 31,778,835.48 : x
  2. Step 2: Convert to fraction form
    54,988,190.82/75,875,267.70 = 31,778,835.48/x
  3. Step 3: Cross multiply
    54,988,190.82x = 75,875,267.70 × 31,778,835.48
  4. Step 4: Simplify right side
    54,988,190.82x = 2,411,227,649,239,258
  5. Step 5: Solve for x
    x = 2,411,227,649,239,258/54,988,190.82
  6. Step 6: Final answer
    x = 43,849,917.83

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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.