Home / 103,538,113,493.60-155,169,876,329.04-53,171,512,591.52

Finding the Fourth Proportional to 103,538,113,493.60, 155,169,876,329.04 and 53,171,512,591.52

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Solution

The fourth proportional to 103,538,113,493.60, 155,169,876,329.04 and 53,171,512,591.52 is: 79,686,762,243.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,538,113,493.60 : 155,169,876,329.04 = 53,171,512,591.52 : x
  2. Step 2: Convert to fraction form
    103,538,113,493.60/155,169,876,329.04 = 53,171,512,591.52/x
  3. Step 3: Cross multiply
    103,538,113,493.60x = 155,169,876,329.04 × 53,171,512,591.52
  4. Step 4: Simplify right side
    103,538,113,493.60x = 8,250,617,033,054,150,983,680
  5. Step 5: Solve for x
    x = 8,250,617,033,054,150,983,680/103,538,113,493.60
  6. Step 6: Final answer
    x = 79,686,762,243.01

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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.