Home / 143,561,214.30-215,341,821.45-70,812,846.30

Finding the Fourth Proportional to 143,561,214.30, 215,341,821.45 and 70,812,846.30

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Solution

The fourth proportional to 143,561,214.30, 215,341,821.45 and 70,812,846.30 is: 106,219,269.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,561,214.30 : 215,341,821.45 = 70,812,846.30 : x
  2. Step 2: Convert to fraction form
    143,561,214.30/215,341,821.45 = 70,812,846.30/x
  3. Step 3: Cross multiply
    143,561,214.30x = 215,341,821.45 × 70,812,846.30
  4. Step 4: Simplify right side
    143,561,214.30x = 15,248,967,304,300,892
  5. Step 5: Solve for x
    x = 15,248,967,304,300,892/143,561,214.30
  6. Step 6: Final answer
    x = 106,219,269.45

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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.