Home / 80,749,690,244.20-121,124,535,366.30-54,301,784,861.80

Finding the Fourth Proportional to 80,749,690,244.20, 121,124,535,366.30 and 54,301,784,861.80

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Solution

The fourth proportional to 80,749,690,244.20, 121,124,535,366.30 and 54,301,784,861.80 is: 81,452,677,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,749,690,244.20 : 121,124,535,366.30 = 54,301,784,861.80 : x
  2. Step 2: Convert to fraction form
    80,749,690,244.20/121,124,535,366.30 = 54,301,784,861.80/x
  3. Step 3: Cross multiply
    80,749,690,244.20x = 121,124,535,366.30 × 54,301,784,861.80
  4. Step 4: Simplify right side
    80,749,690,244.20x = 6,577,278,460,946,308,661,248
  5. Step 5: Solve for x
    x = 6,577,278,460,946,308,661,248/80,749,690,244.20
  6. Step 6: Final answer
    x = 81,452,677,292.70

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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.