Home / 220,347,337.80-330,646,977.90-84,130,480.20

Finding the Fourth Proportional to 220,347,337.80, 330,646,977.90 and 84,130,480.20

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Solution

The fourth proportional to 220,347,337.80, 330,646,977.90 and 84,130,480.20 is: 126,243,817.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,347,337.80 : 330,646,977.90 = 84,130,480.20 : x
  2. Step 2: Convert to fraction form
    220,347,337.80/330,646,977.90 = 84,130,480.20/x
  3. Step 3: Cross multiply
    220,347,337.80x = 330,646,977.90 × 84,130,480.20
  4. Step 4: Simplify right side
    220,347,337.80x = 27,817,489,027,405,788
  5. Step 5: Solve for x
    x = 27,817,489,027,405,788/220,347,337.80
  6. Step 6: Final answer
    x = 126,243,817.17

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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.