Home / 78,551,894.72-117,831,158.39-23,219,856.28

Finding the Fourth Proportional to 78,551,894.72, 117,831,158.39 and 23,219,856.28

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Solution

The fourth proportional to 78,551,894.72, 117,831,158.39 and 23,219,856.28 is: 34,830,764.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,551,894.72 : 117,831,158.39 = 23,219,856.28 : x
  2. Step 2: Convert to fraction form
    78,551,894.72/117,831,158.39 = 23,219,856.28/x
  3. Step 3: Cross multiply
    78,551,894.72x = 117,831,158.39 × 23,219,856.28
  4. Step 4: Simplify right side
    78,551,894.72x = 2,736,022,563,327,054.50
  5. Step 5: Solve for x
    x = 2,736,022,563,327,054.50/78,551,894.72
  6. Step 6: Final answer
    x = 34,830,764.72

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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.