Home / 77,262,337,251.70-115,893,505,877.55-75,085,554,915.70

Finding the Fourth Proportional to 77,262,337,251.70, 115,893,505,877.55 and 75,085,554,915.70

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Solution

The fourth proportional to 77,262,337,251.70, 115,893,505,877.55 and 75,085,554,915.70 is: 112,628,332,373.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,262,337,251.70 : 115,893,505,877.55 = 75,085,554,915.70 : x
  2. Step 2: Convert to fraction form
    77,262,337,251.70/115,893,505,877.55 = 75,085,554,915.70/x
  3. Step 3: Cross multiply
    77,262,337,251.70x = 115,893,505,877.55 × 75,085,554,915.70
  4. Step 4: Simplify right side
    77,262,337,251.70x = 8,701,928,199,941,781,454,848
  5. Step 5: Solve for x
    x = 8,701,928,199,941,781,454,848/77,262,337,251.70
  6. Step 6: Final answer
    x = 112,628,332,373.55

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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.