Home / 345,045,760.81-517,474,371.08-123,675,840.02

Finding the Fourth Proportional to 345,045,760.81, 517,474,371.08 and 123,675,840.02

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Solution

The fourth proportional to 345,045,760.81, 517,474,371.08 and 123,675,840.02 is: 185,479,970.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,045,760.81 : 517,474,371.08 = 123,675,840.02 : x
  2. Step 2: Convert to fraction form
    345,045,760.81/517,474,371.08 = 123,675,840.02/x
  3. Step 3: Cross multiply
    345,045,760.81x = 517,474,371.08 × 123,675,840.02
  4. Step 4: Simplify right side
    345,045,760.81x = 63,999,077,533,743,064
  5. Step 5: Solve for x
    x = 63,999,077,533,743,064/345,045,760.81
  6. Step 6: Final answer
    x = 185,479,970.49

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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.