Home / 72,782,069,631.98-109,178,593,670.34-21,726,335,255.22

Finding the Fourth Proportional to 72,782,069,631.98, 109,178,593,670.34 and 21,726,335,255.22

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Solution

The fourth proportional to 72,782,069,631.98, 109,178,593,670.34 and 21,726,335,255.22 is: 32,591,141,482.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,782,069,631.98 : 109,178,593,670.34 = 21,726,335,255.22 : x
  2. Step 2: Convert to fraction form
    72,782,069,631.98/109,178,593,670.34 = 21,726,335,255.22/x
  3. Step 3: Cross multiply
    72,782,069,631.98x = 109,178,593,670.34 × 21,726,335,255.22
  4. Step 4: Simplify right side
    72,782,069,631.98x = 2,372,050,728,775,247,200,256
  5. Step 5: Solve for x
    x = 2,372,050,728,775,247,200,256/72,782,069,631.98
  6. Step 6: Final answer
    x = 32,591,141,482.64

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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.