Home / 70,626,442.60-105,883,676.70-38,713,738.60

Finding the Fourth Proportional to 70,626,442.60, 105,883,676.70 and 38,713,738.60

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Solution

The fourth proportional to 70,626,442.60, 105,883,676.70 and 38,713,738.60 is: 58,039,918.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,626,442.60 : 105,883,676.70 = 38,713,738.60 : x
  2. Step 2: Convert to fraction form
    70,626,442.60/105,883,676.70 = 38,713,738.60/x
  3. Step 3: Cross multiply
    70,626,442.60x = 105,883,676.70 × 38,713,738.60
  4. Step 4: Simplify right side
    70,626,442.60x = 4,099,152,981,770,711
  5. Step 5: Solve for x
    x = 4,099,152,981,770,711/70,626,442.60
  6. Step 6: Final answer
    x = 58,039,918.63

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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.