Home / 123,017,499.40-184,400,277.90-71,873,192.20

Finding the Fourth Proportional to 123,017,499.40, 184,400,277.90 and 71,873,192.20

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Solution

The fourth proportional to 123,017,499.40, 184,400,277.90 and 71,873,192.20 is: 107,736,189.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,017,499.40 : 184,400,277.90 = 71,873,192.20 : x
  2. Step 2: Convert to fraction form
    123,017,499.40/184,400,277.90 = 71,873,192.20/x
  3. Step 3: Cross multiply
    123,017,499.40x = 184,400,277.90 × 71,873,192.20
  4. Step 4: Simplify right side
    123,017,499.40x = 13,253,436,615,240,114
  5. Step 5: Solve for x
    x = 13,253,436,615,240,114/123,017,499.40
  6. Step 6: Final answer
    x = 107,736,189.40

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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.