Home / 258,916,727.86-388,528,318.77-95,269,405.30

Finding the Fourth Proportional to 258,916,727.86, 388,528,318.77 and 95,269,405.30

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Solution

The fourth proportional to 258,916,727.86, 388,528,318.77 and 95,269,405.30 is: 142,960,488.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,916,727.86 : 388,528,318.77 = 95,269,405.30 : x
  2. Step 2: Convert to fraction form
    258,916,727.86/388,528,318.77 = 95,269,405.30/x
  3. Step 3: Cross multiply
    258,916,727.86x = 388,528,318.77 × 95,269,405.30
  4. Step 4: Simplify right side
    258,916,727.86x = 37,014,861,871,426,728
  5. Step 5: Solve for x
    x = 37,014,861,871,426,728/258,916,727.86
  6. Step 6: Final answer
    x = 142,960,488.41

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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.