Home / 123,030,964.80-184,298,441.40-76,831,027.20

Finding the Fourth Proportional to 123,030,964.80, 184,298,441.40 and 76,831,027.20

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Solution

The fourth proportional to 123,030,964.80, 184,298,441.40 and 76,831,027.20 is: 115,091,664.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,030,964.80 : 184,298,441.40 = 76,831,027.20 : x
  2. Step 2: Convert to fraction form
    123,030,964.80/184,298,441.40 = 76,831,027.20/x
  3. Step 3: Cross multiply
    123,030,964.80x = 184,298,441.40 × 76,831,027.20
  4. Step 4: Simplify right side
    123,030,964.80x = 14,159,838,564,121,008
  5. Step 5: Solve for x
    x = 14,159,838,564,121,008/123,030,964.80
  6. Step 6: Final answer
    x = 115,091,664.83

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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.