Home / 129,502,662.80-194,253,994.20-65,005,408.40

Finding the Fourth Proportional to 129,502,662.80, 194,253,994.20 and 65,005,408.40

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Solution

The fourth proportional to 129,502,662.80, 194,253,994.20 and 65,005,408.40 is: 97,508,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,502,662.80 : 194,253,994.20 = 65,005,408.40 : x
  2. Step 2: Convert to fraction form
    129,502,662.80/194,253,994.20 = 65,005,408.40/x
  3. Step 3: Cross multiply
    129,502,662.80x = 194,253,994.20 × 65,005,408.40
  4. Step 4: Simplify right side
    129,502,662.80x = 12,627,560,226,302,230
  5. Step 5: Solve for x
    x = 12,627,560,226,302,230/129,502,662.80
  6. Step 6: Final answer
    x = 97,508,112.60

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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.