Home / 143,892,114.70-215,838,172.05-100,809,964.30

Finding the Fourth Proportional to 143,892,114.70, 215,838,172.05 and 100,809,964.30

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Solution

The fourth proportional to 143,892,114.70, 215,838,172.05 and 100,809,964.30 is: 151,214,946.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,892,114.70 : 215,838,172.05 = 100,809,964.30 : x
  2. Step 2: Convert to fraction form
    143,892,114.70/215,838,172.05 = 100,809,964.30/x
  3. Step 3: Cross multiply
    143,892,114.70x = 215,838,172.05 × 100,809,964.30
  4. Step 4: Simplify right side
    143,892,114.70x = 21,758,638,418,937,760
  5. Step 5: Solve for x
    x = 21,758,638,418,937,760/143,892,114.70
  6. Step 6: Final answer
    x = 151,214,946.45

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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.