Home / 55,604,491.20-83,406,736.80-45,967,694.40

Finding the Fourth Proportional to 55,604,491.20, 83,406,736.80 and 45,967,694.40

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Solution

The fourth proportional to 55,604,491.20, 83,406,736.80 and 45,967,694.40 is: 68,951,541.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,604,491.20 : 83,406,736.80 = 45,967,694.40 : x
  2. Step 2: Convert to fraction form
    55,604,491.20/83,406,736.80 = 45,967,694.40/x
  3. Step 3: Cross multiply
    55,604,491.20x = 83,406,736.80 × 45,967,694.40
  4. Step 4: Simplify right side
    55,604,491.20x = 3,834,015,388,123,633.50
  5. Step 5: Solve for x
    x = 3,834,015,388,123,633.50/55,604,491.20
  6. Step 6: Final answer
    x = 68,951,541.60

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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.