Home / 115,685,439.86-159,646,210.22-62,762,144.80

Finding the Fourth Proportional to 115,685,439.86, 159,646,210.22 and 62,762,144.80

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Solution

The fourth proportional to 115,685,439.86, 159,646,210.22 and 62,762,144.80 is: 86,611,924.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,685,439.86 : 159,646,210.22 = 62,762,144.80 : x
  2. Step 2: Convert to fraction form
    115,685,439.86/159,646,210.22 = 62,762,144.80/x
  3. Step 3: Cross multiply
    115,685,439.86x = 159,646,210.22 × 62,762,144.80
  4. Step 4: Simplify right side
    115,685,439.86x = 10,019,738,562,598,880
  5. Step 5: Solve for x
    x = 10,019,738,562,598,880/115,685,439.86
  6. Step 6: Final answer
    x = 86,611,924.32

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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.