Home / 72,893,977-100,595,787.78-40,301,028.52

Finding the Fourth Proportional to 72,893,977, 100,595,787.78 and 40,301,028.52

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Solution

The fourth proportional to 72,893,977, 100,595,787.78 and 40,301,028.52 is: 55,616,580.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,893,977 : 100,595,787.78 = 40,301,028.52 : x
  2. Step 2: Convert to fraction form
    72,893,977/100,595,787.78 = 40,301,028.52/x
  3. Step 3: Cross multiply
    72,893,977x = 100,595,787.78 × 40,301,028.52
  4. Step 4: Simplify right side
    72,893,977x = 4,054,113,712,313,648
  5. Step 5: Solve for x
    x = 4,054,113,712,313,648/72,893,977
  6. Step 6: Final answer
    x = 55,616,580.12

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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.