Home / 124,416,659.60-186,624,989.40-90,152,493.20

Finding the Fourth Proportional to 124,416,659.60, 186,624,989.40 and 90,152,493.20

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Solution

The fourth proportional to 124,416,659.60, 186,624,989.40 and 90,152,493.20 is: 135,228,739.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,416,659.60 : 186,624,989.40 = 90,152,493.20 : x
  2. Step 2: Convert to fraction form
    124,416,659.60/186,624,989.40 = 90,152,493.20/x
  3. Step 3: Cross multiply
    124,416,659.60x = 186,624,989.40 × 90,152,493.20
  4. Step 4: Simplify right side
    124,416,659.60x = 16,824,708,087,833,574
  5. Step 5: Solve for x
    x = 16,824,708,087,833,574/124,416,659.60
  6. Step 6: Final answer
    x = 135,228,739.80

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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.