Home / 143,737,521.20-215,606,281.80-97,821,018.80

Finding the Fourth Proportional to 143,737,521.20, 215,606,281.80 and 97,821,018.80

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Solution

The fourth proportional to 143,737,521.20, 215,606,281.80 and 97,821,018.80 is: 146,731,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,737,521.20 : 215,606,281.80 = 97,821,018.80 : x
  2. Step 2: Convert to fraction form
    143,737,521.20/215,606,281.80 = 97,821,018.80/x
  3. Step 3: Cross multiply
    143,737,521.20x = 215,606,281.80 × 97,821,018.80
  4. Step 4: Simplify right side
    143,737,521.20x = 21,090,826,145,355,900
  5. Step 5: Solve for x
    x = 21,090,826,145,355,900/143,737,521.20
  6. Step 6: Final answer
    x = 146,731,528.20

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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.