Home / 129,363,044.80-194,044,567.20-83,446,542.40

Finding the Fourth Proportional to 129,363,044.80, 194,044,567.20 and 83,446,542.40

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Solution

The fourth proportional to 129,363,044.80, 194,044,567.20 and 83,446,542.40 is: 125,169,813.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,363,044.80 : 194,044,567.20 = 83,446,542.40 : x
  2. Step 2: Convert to fraction form
    129,363,044.80/194,044,567.20 = 83,446,542.40/x
  3. Step 3: Cross multiply
    129,363,044.80x = 194,044,567.20 × 83,446,542.40
  4. Step 4: Simplify right side
    129,363,044.80x = 16,192,348,204,344,450
  5. Step 5: Solve for x
    x = 16,192,348,204,344,450/129,363,044.80
  6. Step 6: Final answer
    x = 125,169,813.60

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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.