Home / 78,558,937.05-117,831,134.88-37,050,295.62

Finding the Fourth Proportional to 78,558,937.05, 117,831,134.88 and 37,050,295.62

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Solution

The fourth proportional to 78,558,937.05, 117,831,134.88 and 37,050,295.62 is: 55,572,014.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,558,937.05 : 117,831,134.88 = 37,050,295.62 : x
  2. Step 2: Convert to fraction form
    78,558,937.05/117,831,134.88 = 37,050,295.62/x
  3. Step 3: Cross multiply
    78,558,937.05x = 117,831,134.88 × 37,050,295.62
  4. Step 4: Simplify right side
    78,558,937.05x = 4,365,678,380,544,092.50
  5. Step 5: Solve for x
    x = 4,365,678,380,544,092.50/78,558,937.05
  6. Step 6: Final answer
    x = 55,572,014.39

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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.