Home / 99,441,343,441.12-149,268,199,042.08-42,809,236,856.96

Finding the Fourth Proportional to 99,441,343,441.12, 149,268,199,042.08 and 42,809,236,856.96

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Solution

The fourth proportional to 99,441,343,441.12, 149,268,199,042.08 and 42,809,236,856.96 is: 64,259,567,166.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,441,343,441.12 : 149,268,199,042.08 = 42,809,236,856.96 : x
  2. Step 2: Convert to fraction form
    99,441,343,441.12/149,268,199,042.08 = 42,809,236,856.96/x
  3. Step 3: Cross multiply
    99,441,343,441.12x = 149,268,199,042.08 × 42,809,236,856.96
  4. Step 4: Simplify right side
    99,441,343,441.12x = 6,390,057,688,004,251,615,232
  5. Step 5: Solve for x
    x = 6,390,057,688,004,251,615,232/99,441,343,441.12
  6. Step 6: Final answer
    x = 64,259,567,166.73

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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.