Home / 258,916,729.86-388,528,321.77-95,269,407.30

Finding the Fourth Proportional to 258,916,729.86, 388,528,321.77 and 95,269,407.30

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Solution

The fourth proportional to 258,916,729.86, 388,528,321.77 and 95,269,407.30 is: 142,960,491.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,916,729.86 : 388,528,321.77 = 95,269,407.30 : x
  2. Step 2: Convert to fraction form
    258,916,729.86/388,528,321.77 = 95,269,407.30/x
  3. Step 3: Cross multiply
    258,916,729.86x = 388,528,321.77 × 95,269,407.30
  4. Step 4: Simplify right side
    258,916,729.86x = 37,014,862,934,291,584
  5. Step 5: Solve for x
    x = 37,014,862,934,291,584/258,916,729.86
  6. Step 6: Final answer
    x = 142,960,491.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.