Home / 129,383,555.40-194,019,345.90-52,681,091.40

Finding the Fourth Proportional to 129,383,555.40, 194,019,345.90 and 52,681,091.40

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Solution

The fourth proportional to 129,383,555.40, 194,019,345.90 and 52,681,091.40 is: 78,998,840.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,383,555.40 : 194,019,345.90 = 52,681,091.40 : x
  2. Step 2: Convert to fraction form
    129,383,555.40/194,019,345.90 = 52,681,091.40/x
  3. Step 3: Cross multiply
    129,383,555.40x = 194,019,345.90 × 52,681,091.40
  4. Step 4: Simplify right side
    129,383,555.40x = 10,221,150,894,726,116
  5. Step 5: Solve for x
    x = 10,221,150,894,726,116/129,383,555.40
  6. Step 6: Final answer
    x = 78,998,840.80

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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.