Home / 42,128,039.21-58,136,909.09-23,543,489.52

Finding the Fourth Proportional to 42,128,039.21, 58,136,909.09 and 23,543,489.52

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Solution

The fourth proportional to 42,128,039.21, 58,136,909.09 and 23,543,489.52 is: 32,490,135.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,128,039.21 : 58,136,909.09 = 23,543,489.52 : x
  2. Step 2: Convert to fraction form
    42,128,039.21/58,136,909.09 = 23,543,489.52/x
  3. Step 3: Cross multiply
    42,128,039.21x = 58,136,909.09 × 23,543,489.52
  4. Step 4: Simplify right side
    42,128,039.21x = 1,368,745,709,767,890.25
  5. Step 5: Solve for x
    x = 1,368,745,709,767,890.25/42,128,039.21
  6. Step 6: Final answer
    x = 32,490,135.68

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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.