Home / 80,896,231.20-121,344,346.80-35,409,741.60

Finding the Fourth Proportional to 80,896,231.20, 121,344,346.80 and 35,409,741.60

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Solution

The fourth proportional to 80,896,231.20, 121,344,346.80 and 35,409,741.60 is: 53,114,612.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,896,231.20 : 121,344,346.80 = 35,409,741.60 : x
  2. Step 2: Convert to fraction form
    80,896,231.20/121,344,346.80 = 35,409,741.60/x
  3. Step 3: Cross multiply
    80,896,231.20x = 121,344,346.80 × 35,409,741.60
  4. Step 4: Simplify right side
    80,896,231.20x = 4,296,771,964,808,787
  5. Step 5: Solve for x
    x = 4,296,771,964,808,787/80,896,231.20
  6. Step 6: Final answer
    x = 53,114,612.40

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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.