Home / 42,791,283.64-64,217,571.82-18,216,439.80

Finding the Fourth Proportional to 42,791,283.64, 64,217,571.82 and 18,216,439.80

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Solution

The fourth proportional to 42,791,283.64, 64,217,571.82 and 18,216,439.80 is: 27,337,705.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,791,283.64 : 64,217,571.82 = 18,216,439.80 : x
  2. Step 2: Convert to fraction form
    42,791,283.64/64,217,571.82 = 18,216,439.80/x
  3. Step 3: Cross multiply
    42,791,283.64x = 64,217,571.82 × 18,216,439.80
  4. Step 4: Simplify right side
    42,791,283.64x = 1,169,815,531,161,206.50
  5. Step 5: Solve for x
    x = 1,169,815,531,161,206.50/42,791,283.64
  6. Step 6: Final answer
    x = 27,337,705.99

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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.