Home / 124,416,657.60-186,624,986.40-90,152,491.20

Finding the Fourth Proportional to 124,416,657.60, 186,624,986.40 and 90,152,491.20

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Solution

The fourth proportional to 124,416,657.60, 186,624,986.40 and 90,152,491.20 is: 135,228,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,657.60 : 186,624,986.40 = 90,152,491.20 : x
  2. Step 2: Convert to fraction form
    124,416,657.60/186,624,986.40 = 90,152,491.20/x
  3. Step 3: Cross multiply
    124,416,657.60x = 186,624,986.40 × 90,152,491.20
  4. Step 4: Simplify right side
    124,416,657.60x = 16,824,707,444,126,120
  5. Step 5: Solve for x
    x = 16,824,707,444,126,120/124,416,657.60
  6. Step 6: Final answer
    x = 135,228,736.80

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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.