Home / 143,796,738.10-215,695,107.15-97,880,235.70

Finding the Fourth Proportional to 143,796,738.10, 215,695,107.15 and 97,880,235.70

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Solution

The fourth proportional to 143,796,738.10, 215,695,107.15 and 97,880,235.70 is: 146,820,353.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,796,738.10 : 215,695,107.15 = 97,880,235.70 : x
  2. Step 2: Convert to fraction form
    143,796,738.10/215,695,107.15 = 97,880,235.70/x
  3. Step 3: Cross multiply
    143,796,738.10x = 215,695,107.15 × 97,880,235.70
  4. Step 4: Simplify right side
    143,796,738.10x = 21,112,287,927,178,756
  5. Step 5: Solve for x
    x = 21,112,287,927,178,756/143,796,738.10
  6. Step 6: Final answer
    x = 146,820,353.55

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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.