Home / 57,413,784.87-79,232,936.43-31,309,731

Finding the Fourth Proportional to 57,413,784.87, 79,232,936.43 and 31,309,731

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Solution

The fourth proportional to 57,413,784.87, 79,232,936.43 and 31,309,731 is: 43,208,472.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,413,784.87 : 79,232,936.43 = 31,309,731 : x
  2. Step 2: Convert to fraction form
    57,413,784.87/79,232,936.43 = 31,309,731/x
  3. Step 3: Cross multiply
    57,413,784.87x = 79,232,936.43 × 31,309,731
  4. Step 4: Simplify right side
    57,413,784.87x = 2,480,761,925,963,400.50
  5. Step 5: Solve for x
    x = 2,480,761,925,963,400.50/57,413,784.87
  6. Step 6: Final answer
    x = 43,208,472.17

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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.