Home / 301,281,123.60-451,921,685.40-82,965,160.80

Finding the Fourth Proportional to 301,281,123.60, 451,921,685.40 and 82,965,160.80

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Solution

The fourth proportional to 301,281,123.60, 451,921,685.40 and 82,965,160.80 is: 124,447,741.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,281,123.60 : 451,921,685.40 = 82,965,160.80 : x
  2. Step 2: Convert to fraction form
    301,281,123.60/451,921,685.40 = 82,965,160.80/x
  3. Step 3: Cross multiply
    301,281,123.60x = 451,921,685.40 × 82,965,160.80
  4. Step 4: Simplify right side
    301,281,123.60x = 37,493,755,298,218,008
  5. Step 5: Solve for x
    x = 37,493,755,298,218,008/301,281,123.60
  6. Step 6: Final answer
    x = 124,447,741.20

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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.