Home / 123,024,152.40-184,536,228.60-71,879,845.20

Finding the Fourth Proportional to 123,024,152.40, 184,536,228.60 and 71,879,845.20

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Solution

The fourth proportional to 123,024,152.40, 184,536,228.60 and 71,879,845.20 is: 107,819,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,024,152.40 : 184,536,228.60 = 71,879,845.20 : x
  2. Step 2: Convert to fraction form
    123,024,152.40/184,536,228.60 = 71,879,845.20/x
  3. Step 3: Cross multiply
    123,024,152.40x = 184,536,228.60 × 71,879,845.20
  4. Step 4: Simplify right side
    123,024,152.40x = 13,264,435,545,559,812
  5. Step 5: Solve for x
    x = 13,264,435,545,559,812/123,024,152.40
  6. Step 6: Final answer
    x = 107,819,767.80

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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.