Home / 67,821,351.40-101,732,027.10-64,703,564.20

Finding the Fourth Proportional to 67,821,351.40, 101,732,027.10 and 64,703,564.20

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Solution

The fourth proportional to 67,821,351.40, 101,732,027.10 and 64,703,564.20 is: 97,055,346.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,821,351.40 : 101,732,027.10 = 64,703,564.20 : x
  2. Step 2: Convert to fraction form
    67,821,351.40/101,732,027.10 = 64,703,564.20/x
  3. Step 3: Cross multiply
    67,821,351.40x = 101,732,027.10 × 64,703,564.20
  4. Step 4: Simplify right side
    67,821,351.40x = 6,582,424,746,660,990
  5. Step 5: Solve for x
    x = 6,582,424,746,660,990/67,821,351.40
  6. Step 6: Final answer
    x = 97,055,346.30

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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.