Home / 90,624,657.60-135,936,986.40-25,932,322.80

Finding the Fourth Proportional to 90,624,657.60, 135,936,986.40 and 25,932,322.80

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Solution

The fourth proportional to 90,624,657.60, 135,936,986.40 and 25,932,322.80 is: 38,898,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,624,657.60 : 135,936,986.40 = 25,932,322.80 : x
  2. Step 2: Convert to fraction form
    90,624,657.60/135,936,986.40 = 25,932,322.80/x
  3. Step 3: Cross multiply
    90,624,657.60x = 135,936,986.40 × 25,932,322.80
  4. Step 4: Simplify right side
    90,624,657.60x = 3,525,161,811,784,010
  5. Step 5: Solve for x
    x = 3,525,161,811,784,010/90,624,657.60
  6. Step 6: Final answer
    x = 38,898,484.20

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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.