Home / 78,558,968.05-117,831,181.38-37,050,326.62

Finding the Fourth Proportional to 78,558,968.05, 117,831,181.38 and 37,050,326.62

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Solution

The fourth proportional to 78,558,968.05, 117,831,181.38 and 37,050,326.62 is: 55,572,060.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,558,968.05 : 117,831,181.38 = 37,050,326.62 : x
  2. Step 2: Convert to fraction form
    78,558,968.05/117,831,181.38 = 37,050,326.62/x
  3. Step 3: Cross multiply
    78,558,968.05x = 117,831,181.38 × 37,050,326.62
  4. Step 4: Simplify right side
    78,558,968.05x = 4,365,683,756,149,462
  5. Step 5: Solve for x
    x = 4,365,683,756,149,462/78,558,968.05
  6. Step 6: Final answer
    x = 55,572,060.89

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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.