Home / 112,325,421.60-168,488,132.40-54,854,560.80

Finding the Fourth Proportional to 112,325,421.60, 168,488,132.40 and 54,854,560.80

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Solution

The fourth proportional to 112,325,421.60, 168,488,132.40 and 54,854,560.80 is: 82,281,841.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,325,421.60 : 168,488,132.40 = 54,854,560.80 : x
  2. Step 2: Convert to fraction form
    112,325,421.60/168,488,132.40 = 54,854,560.80/x
  3. Step 3: Cross multiply
    112,325,421.60x = 168,488,132.40 × 54,854,560.80
  4. Step 4: Simplify right side
    112,325,421.60x = 9,242,342,502,814,250
  5. Step 5: Solve for x
    x = 9,242,342,502,814,250/112,325,421.60
  6. Step 6: Final answer
    x = 82,281,841.20

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1.5x scale

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.