Home / 119,740,039.70-179,610,059.55-38,961,007.70

Finding the Fourth Proportional to 119,740,039.70, 179,610,059.55 and 38,961,007.70

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Solution

The fourth proportional to 119,740,039.70, 179,610,059.55 and 38,961,007.70 is: 58,441,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,740,039.70 : 179,610,059.55 = 38,961,007.70 : x
  2. Step 2: Convert to fraction form
    119,740,039.70/179,610,059.55 = 38,961,007.70/x
  3. Step 3: Cross multiply
    119,740,039.70x = 179,610,059.55 × 38,961,007.70
  4. Step 4: Simplify right side
    119,740,039.70x = 6,997,788,913,125,010
  5. Step 5: Solve for x
    x = 6,997,788,913,125,010/119,740,039.70
  6. Step 6: Final answer
    x = 58,441,511.55

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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.