Home / 72,046,589.24-99,424,150.38-39,006,829.37

Finding the Fourth Proportional to 72,046,589.24, 99,424,150.38 and 39,006,829.37

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Solution

The fourth proportional to 72,046,589.24, 99,424,150.38 and 39,006,829.37 is: 53,829,347.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,046,589.24 : 99,424,150.38 = 39,006,829.37 : x
  2. Step 2: Convert to fraction form
    72,046,589.24/99,424,150.38 = 39,006,829.37/x
  3. Step 3: Cross multiply
    72,046,589.24x = 99,424,150.38 × 39,006,829.37
  4. Step 4: Simplify right side
    72,046,589.24x = 3,878,220,869,378,441
  5. Step 5: Solve for x
    x = 3,878,220,869,378,441/72,046,589.24
  6. Step 6: Final answer
    x = 53,829,347.23

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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.