Home / 143,737,515.70-215,606,273.55-97,821,013.30

Finding the Fourth Proportional to 143,737,515.70, 215,606,273.55 and 97,821,013.30

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Solution

The fourth proportional to 143,737,515.70, 215,606,273.55 and 97,821,013.30 is: 146,731,519.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,737,515.70 : 215,606,273.55 = 97,821,013.30 : x
  2. Step 2: Convert to fraction form
    143,737,515.70/215,606,273.55 = 97,821,013.30/x
  3. Step 3: Cross multiply
    143,737,515.70x = 215,606,273.55 × 97,821,013.30
  4. Step 4: Simplify right side
    143,737,515.70x = 21,090,824,152,497,988
  5. Step 5: Solve for x
    x = 21,090,824,152,497,988/143,737,515.70
  6. Step 6: Final answer
    x = 146,731,519.95

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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.