Home / 135,768,004-187,327,171.72-80,015,644.08

Finding the Fourth Proportional to 135,768,004, 187,327,171.72 and 80,015,644.08

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Solution

The fourth proportional to 135,768,004, 187,327,171.72 and 80,015,644.08 is: 110,402,332.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,768,004 : 187,327,171.72 = 80,015,644.08 : x
  2. Step 2: Convert to fraction form
    135,768,004/187,327,171.72 = 80,015,644.08/x
  3. Step 3: Cross multiply
    135,768,004x = 187,327,171.72 × 80,015,644.08
  4. Step 4: Simplify right side
    135,768,004x = 14,989,104,298,860,560
  5. Step 5: Solve for x
    x = 14,989,104,298,860,560/135,768,004
  6. Step 6: Final answer
    x = 110,402,332.34

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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.