Home / 64,123,295.80-96,184,943.70-18,686,572.60

Finding the Fourth Proportional to 64,123,295.80, 96,184,943.70 and 18,686,572.60

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Solution

The fourth proportional to 64,123,295.80, 96,184,943.70 and 18,686,572.60 is: 28,029,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,123,295.80 : 96,184,943.70 = 18,686,572.60 : x
  2. Step 2: Convert to fraction form
    64,123,295.80/96,184,943.70 = 18,686,572.60/x
  3. Step 3: Cross multiply
    64,123,295.80x = 96,184,943.70 × 18,686,572.60
  4. Step 4: Simplify right side
    64,123,295.80x = 1,797,366,933,476,962.75
  5. Step 5: Solve for x
    x = 1,797,366,933,476,962.75/64,123,295.80
  6. Step 6: Final answer
    x = 28,029,858.90

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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.