Home / 123,239,628.95-170,076,002.06-68,235,490.31

Finding the Fourth Proportional to 123,239,628.95, 170,076,002.06 and 68,235,490.31

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Solution

The fourth proportional to 123,239,628.95, 170,076,002.06 and 68,235,490.31 is: 94,167,918.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,239,628.95 : 170,076,002.06 = 68,235,490.31 : x
  2. Step 2: Convert to fraction form
    123,239,628.95/170,076,002.06 = 68,235,490.31/x
  3. Step 3: Cross multiply
    123,239,628.95x = 170,076,002.06 × 68,235,490.31
  4. Step 4: Simplify right side
    123,239,628.95x = 11,605,219,389,848,880
  5. Step 5: Solve for x
    x = 11,605,219,389,848,880/123,239,628.95
  6. Step 6: Final answer
    x = 94,167,918.95

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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.