Home / 123,030,939.80-184,298,403.90-76,831,002.20

Finding the Fourth Proportional to 123,030,939.80, 184,298,403.90 and 76,831,002.20

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Solution

The fourth proportional to 123,030,939.80, 184,298,403.90 and 76,831,002.20 is: 115,091,627.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,030,939.80 : 184,298,403.90 = 76,831,002.20 : x
  2. Step 2: Convert to fraction form
    123,030,939.80/184,298,403.90 = 76,831,002.20/x
  3. Step 3: Cross multiply
    123,030,939.80x = 184,298,403.90 × 76,831,002.20
  4. Step 4: Simplify right side
    123,030,939.80x = 14,159,831,075,497,390
  5. Step 5: Solve for x
    x = 14,159,831,075,497,390/123,030,939.80
  6. Step 6: Final answer
    x = 115,091,627.35

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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.