Home / 42,169,919.40-63,254,879.10-25,149,810.60

Finding the Fourth Proportional to 42,169,919.40, 63,254,879.10 and 25,149,810.60

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Solution

The fourth proportional to 42,169,919.40, 63,254,879.10 and 25,149,810.60 is: 37,724,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,169,919.40 : 63,254,879.10 = 25,149,810.60 : x
  2. Step 2: Convert to fraction form
    42,169,919.40/63,254,879.10 = 25,149,810.60/x
  3. Step 3: Cross multiply
    42,169,919.40x = 63,254,879.10 × 25,149,810.60
  4. Step 4: Simplify right side
    42,169,919.40x = 1,590,848,228,890,898.50
  5. Step 5: Solve for x
    x = 1,590,848,228,890,898.50/42,169,919.40
  6. Step 6: Final answer
    x = 37,724,715.90

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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.