Home / 129,385,280.40-194,021,933.40-52,682,816.40

Finding the Fourth Proportional to 129,385,280.40, 194,021,933.40 and 52,682,816.40

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Solution

The fourth proportional to 129,385,280.40, 194,021,933.40 and 52,682,816.40 is: 79,001,427.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,385,280.40 : 194,021,933.40 = 52,682,816.40 : x
  2. Step 2: Convert to fraction form
    129,385,280.40/194,021,933.40 = 52,682,816.40/x
  3. Step 3: Cross multiply
    129,385,280.40x = 194,021,933.40 × 52,682,816.40
  4. Step 4: Simplify right side
    129,385,280.40x = 10,221,621,894,885,228
  5. Step 5: Solve for x
    x = 10,221,621,894,885,228/129,385,280.40
  6. Step 6: Final answer
    x = 79,001,427.85

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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.