Home / 72,782,065,740.03-109,178,587,836.09-21,726,331,365.72

Finding the Fourth Proportional to 72,782,065,740.03, 109,178,587,836.09 and 21,726,331,365.72

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Solution

The fourth proportional to 72,782,065,740.03, 109,178,587,836.09 and 21,726,331,365.72 is: 32,591,135,649.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,782,065,740.03 : 109,178,587,836.09 = 21,726,331,365.72 : x
  2. Step 2: Convert to fraction form
    72,782,065,740.03/109,178,587,836.09 = 21,726,331,365.72/x
  3. Step 3: Cross multiply
    72,782,065,740.03x = 109,178,587,836.09 × 21,726,331,365.72
  4. Step 4: Simplify right side
    72,782,065,740.03x = 2,372,050,177,368,258,510,848
  5. Step 5: Solve for x
    x = 2,372,050,177,368,258,510,848/72,782,065,740.03
  6. Step 6: Final answer
    x = 32,591,135,649.28

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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.