Home / 122,686,790.40-184,408,099.20-115,884,345.60

Finding the Fourth Proportional to 122,686,790.40, 184,408,099.20 and 115,884,345.60

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Solution

The fourth proportional to 122,686,790.40, 184,408,099.20 and 115,884,345.60 is: 174,183,478.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,686,790.40 : 184,408,099.20 = 115,884,345.60 : x
  2. Step 2: Convert to fraction form
    122,686,790.40/184,408,099.20 = 115,884,345.60/x
  3. Step 3: Cross multiply
    122,686,790.40x = 184,408,099.20 × 115,884,345.60
  4. Step 4: Simplify right side
    122,686,790.40x = 21,370,011,899,131,880
  5. Step 5: Solve for x
    x = 21,370,011,899,131,880/122,686,790.40
  6. Step 6: Final answer
    x = 174,183,478.35

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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.