Home / 78,558,969.55-117,831,183.63-37,050,328.12

Finding the Fourth Proportional to 78,558,969.55, 117,831,183.63 and 37,050,328.12

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Solution

The fourth proportional to 78,558,969.55, 117,831,183.63 and 37,050,328.12 is: 55,572,063.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,558,969.55 : 117,831,183.63 = 37,050,328.12 : x
  2. Step 2: Convert to fraction form
    78,558,969.55/117,831,183.63 = 37,050,328.12/x
  3. Step 3: Cross multiply
    78,558,969.55x = 117,831,183.63 × 37,050,328.12
  4. Step 4: Simplify right side
    78,558,969.55x = 4,365,684,016,259,472
  5. Step 5: Solve for x
    x = 4,365,684,016,259,472/78,558,969.55
  6. Step 6: Final answer
    x = 55,572,063.14

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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.