Home / 122,648,884.52-184,100,931-90,337,271.72

Finding the Fourth Proportional to 122,648,884.52, 184,100,931 and 90,337,271.72

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Solution

The fourth proportional to 122,648,884.52, 184,100,931 and 90,337,271.72 is: 135,599,894.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,648,884.52 : 184,100,931 = 90,337,271.72 : x
  2. Step 2: Convert to fraction form
    122,648,884.52/184,100,931 = 90,337,271.72/x
  3. Step 3: Cross multiply
    122,648,884.52x = 184,100,931 × 90,337,271.72
  4. Step 4: Simplify right side
    122,648,884.52x = 16,631,175,827,651,972
  5. Step 5: Solve for x
    x = 16,631,175,827,651,972/122,648,884.52
  6. Step 6: Final answer
    x = 135,599,894.71

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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.