Home / 70,331,270.60-105,496,905.90-39,594,297.80

Finding the Fourth Proportional to 70,331,270.60, 105,496,905.90 and 39,594,297.80

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Solution

The fourth proportional to 70,331,270.60, 105,496,905.90 and 39,594,297.80 is: 59,391,446.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,331,270.60 : 105,496,905.90 = 39,594,297.80 : x
  2. Step 2: Convert to fraction form
    70,331,270.60/105,496,905.90 = 39,594,297.80/x
  3. Step 3: Cross multiply
    70,331,270.60x = 105,496,905.90 × 39,594,297.80
  4. Step 4: Simplify right side
    70,331,270.60x = 4,177,075,909,183,177
  5. Step 5: Solve for x
    x = 4,177,075,909,183,177/70,331,270.60
  6. Step 6: Final answer
    x = 59,391,446.70

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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.