Home / 74,858,956.39-103,158,203.76-57,237,824.45

Finding the Fourth Proportional to 74,858,956.39, 103,158,203.76 and 57,237,824.45

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Solution

The fourth proportional to 74,858,956.39, 103,158,203.76 and 57,237,824.45 is: 78,875,680.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,858,956.39 : 103,158,203.76 = 57,237,824.45 : x
  2. Step 2: Convert to fraction form
    74,858,956.39/103,158,203.76 = 57,237,824.45/x
  3. Step 3: Cross multiply
    74,858,956.39x = 103,158,203.76 × 57,237,824.45
  4. Step 4: Simplify right side
    74,858,956.39x = 5,904,551,157,650,106
  5. Step 5: Solve for x
    x = 5,904,551,157,650,106/74,858,956.39
  6. Step 6: Final answer
    x = 78,875,680.91

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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.