Home / 123,017,501.40-184,400,280.90-71,873,194.20

Finding the Fourth Proportional to 123,017,501.40, 184,400,280.90 and 71,873,194.20

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Solution

The fourth proportional to 123,017,501.40, 184,400,280.90 and 71,873,194.20 is: 107,736,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,017,501.40 : 184,400,280.90 = 71,873,194.20 : x
  2. Step 2: Convert to fraction form
    123,017,501.40/184,400,280.90 = 71,873,194.20/x
  3. Step 3: Cross multiply
    123,017,501.40x = 184,400,280.90 × 71,873,194.20
  4. Step 4: Simplify right side
    123,017,501.40x = 13,253,437,199,660,252
  5. Step 5: Solve for x
    x = 13,253,437,199,660,252/123,017,501.40
  6. Step 6: Final answer
    x = 107,736,192.40

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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.