Home / 123,038,102.56-184,575,502.68-45,309,028.72

Finding the Fourth Proportional to 123,038,102.56, 184,575,502.68 and 45,309,028.72

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Solution

The fourth proportional to 123,038,102.56, 184,575,502.68 and 45,309,028.72 is: 67,970,300.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,038,102.56 : 184,575,502.68 = 45,309,028.72 : x
  2. Step 2: Convert to fraction form
    123,038,102.56/184,575,502.68 = 45,309,028.72/x
  3. Step 3: Cross multiply
    123,038,102.56x = 184,575,502.68 × 45,309,028.72
  4. Step 4: Simplify right side
    123,038,102.56x = 8,362,936,751,936,557
  5. Step 5: Solve for x
    x = 8,362,936,751,936,557/123,038,102.56
  6. Step 6: Final answer
    x = 67,970,300.08

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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.