Home / 103,543,331,533.57-155,359,741,231.76-55,680,398,411.86

Finding the Fourth Proportional to 103,543,331,533.57, 155,359,741,231.76 and 55,680,398,411.86

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Solution

The fourth proportional to 103,543,331,533.57, 155,359,741,231.76 and 55,680,398,411.86 is: 83,544,658,654.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,543,331,533.57 : 155,359,741,231.76 = 55,680,398,411.86 : x
  2. Step 2: Convert to fraction form
    103,543,331,533.57/155,359,741,231.76 = 55,680,398,411.86/x
  3. Step 3: Cross multiply
    103,543,331,533.57x = 155,359,741,231.76 × 55,680,398,411.86
  4. Step 4: Simplify right side
    103,543,331,533.57x = 8,650,492,288,947,870,236,672
  5. Step 5: Solve for x
    x = 8,650,492,288,947,870,236,672/103,543,331,533.57
  6. Step 6: Final answer
    x = 83,544,658,654.75

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1.5x scale

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.