Home / 123,239,630.45-170,076,004.13-68,235,491.81

Finding the Fourth Proportional to 123,239,630.45, 170,076,004.13 and 68,235,491.81

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Solution

The fourth proportional to 123,239,630.45, 170,076,004.13 and 68,235,491.81 is: 94,167,921.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,239,630.45 : 170,076,004.13 = 68,235,491.81 : x
  2. Step 2: Convert to fraction form
    123,239,630.45/170,076,004.13 = 68,235,491.81/x
  3. Step 3: Cross multiply
    123,239,630.45x = 170,076,004.13 × 68,235,491.81
  4. Step 4: Simplify right side
    123,239,630.45x = 11,605,219,786,210,350
  5. Step 5: Solve for x
    x = 11,605,219,786,210,350/123,239,630.45
  6. Step 6: Final answer
    x = 94,167,921.02

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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.