Home / 146,726,950,901.70-220,090,426,352.55-129,060,576,603.30

Finding the Fourth Proportional to 146,726,950,901.70, 220,090,426,352.55 and 129,060,576,603.30

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Solution

The fourth proportional to 146,726,950,901.70, 220,090,426,352.55 and 129,060,576,603.30 is: 193,590,864,904.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,726,950,901.70 : 220,090,426,352.55 = 129,060,576,603.30 : x
  2. Step 2: Convert to fraction form
    146,726,950,901.70/220,090,426,352.55 = 129,060,576,603.30/x
  3. Step 3: Cross multiply
    146,726,950,901.70x = 220,090,426,352.55 × 129,060,576,603.30
  4. Step 4: Simplify right side
    146,726,950,901.70x = 28,404,997,329,926,236,405,760
  5. Step 5: Solve for x
    x = 28,404,997,329,926,236,405,760/146,726,950,901.70
  6. Step 6: Final answer
    x = 193,590,864,904.95

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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.