Home / 112,330,847.60-168,496,271.40-91,923,513.20

Finding the Fourth Proportional to 112,330,847.60, 168,496,271.40 and 91,923,513.20

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Solution

The fourth proportional to 112,330,847.60, 168,496,271.40 and 91,923,513.20 is: 137,885,269.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,330,847.60 : 168,496,271.40 = 91,923,513.20 : x
  2. Step 2: Convert to fraction form
    112,330,847.60/168,496,271.40 = 91,923,513.20/x
  3. Step 3: Cross multiply
    112,330,847.60x = 168,496,271.40 × 91,923,513.20
  4. Step 4: Simplify right side
    112,330,847.60x = 15,488,769,228,188,684
  5. Step 5: Solve for x
    x = 15,488,769,228,188,684/112,330,847.60
  6. Step 6: Final answer
    x = 137,885,269.80

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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.