Home / 72,908,540,224.50-100,611,601,252.62-40,357,088,142.14

Finding the Fourth Proportional to 72,908,540,224.50, 100,611,601,252.62 and 40,357,088,142.14

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Solution

The fourth proportional to 72,908,540,224.50, 100,611,601,252.62 and 40,357,088,142.14 is: 55,691,572,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,908,540,224.50 : 100,611,601,252.62 = 40,357,088,142.14 : x
  2. Step 2: Convert to fraction form
    72,908,540,224.50/100,611,601,252.62 = 40,357,088,142.14/x
  3. Step 3: Cross multiply
    72,908,540,224.50x = 100,611,601,252.62 × 40,357,088,142.14
  4. Step 4: Simplify right side
    72,908,540,224.50x = 4,060,391,259,873,325,613,056
  5. Step 5: Solve for x
    x = 4,060,391,259,873,325,613,056/72,908,540,224.50
  6. Step 6: Final answer
    x = 55,691,572,583.55

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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.