Home / 123,030,941.80-184,298,406.90-76,831,004.20

Finding the Fourth Proportional to 123,030,941.80, 184,298,406.90 and 76,831,004.20

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Solution

The fourth proportional to 123,030,941.80, 184,298,406.90 and 76,831,004.20 is: 115,091,630.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,030,941.80 : 184,298,406.90 = 76,831,004.20 : x
  2. Step 2: Convert to fraction form
    123,030,941.80/184,298,406.90 = 76,831,004.20/x
  3. Step 3: Cross multiply
    123,030,941.80x = 184,298,406.90 × 76,831,004.20
  4. Step 4: Simplify right side
    123,030,941.80x = 14,159,831,674,587,210
  5. Step 5: Solve for x
    x = 14,159,831,674,587,210/123,030,941.80
  6. Step 6: Final answer
    x = 115,091,630.34

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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.