Home / 52,238,619.12-78,358,699.44-19,892,331.60

Finding the Fourth Proportional to 52,238,619.12, 78,358,699.44 and 19,892,331.60

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Solution

The fourth proportional to 52,238,619.12, 78,358,699.44 and 19,892,331.60 is: 29,838,790.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,238,619.12 : 78,358,699.44 = 19,892,331.60 : x
  2. Step 2: Convert to fraction form
    52,238,619.12/78,358,699.44 = 19,892,331.60/x
  3. Step 3: Cross multiply
    52,238,619.12x = 78,358,699.44 × 19,892,331.60
  4. Step 4: Simplify right side
    52,238,619.12x = 1,558,737,233,005,214.25
  5. Step 5: Solve for x
    x = 1,558,737,233,005,214.25/52,238,619.12
  6. Step 6: Final answer
    x = 29,838,790.90

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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.