Home / 144,546,366,983.47-199,478,770,240.72-79,443,101,895.24

Finding the Fourth Proportional to 144,546,366,983.47, 199,478,770,240.72 and 79,443,101,895.24

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Solution

The fourth proportional to 144,546,366,983.47, 199,478,770,240.72 and 79,443,101,895.24 is: 109,634,109,807.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,546,366,983.47 : 199,478,770,240.72 = 79,443,101,895.24 : x
  2. Step 2: Convert to fraction form
    144,546,366,983.47/199,478,770,240.72 = 79,443,101,895.24/x
  3. Step 3: Cross multiply
    144,546,366,983.47x = 199,478,770,240.72 × 79,443,101,895.24
  4. Step 4: Simplify right side
    144,546,366,983.47x = 15,847,212,270,170,687,930,368
  5. Step 5: Solve for x
    x = 15,847,212,270,170,687,930,368/144,546,366,983.47
  6. Step 6: Final answer
    x = 109,634,109,807.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.