Home / 72,908,540,233.53-100,611,601,265.09-40,357,088,151.17

Finding the Fourth Proportional to 72,908,540,233.53, 100,611,601,265.09 and 40,357,088,151.17

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Solution

The fourth proportional to 72,908,540,233.53, 100,611,601,265.09 and 40,357,088,151.17 is: 55,691,572,596.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,908,540,233.53 : 100,611,601,265.09 = 40,357,088,151.17 : x
  2. Step 2: Convert to fraction form
    72,908,540,233.53/100,611,601,265.09 = 40,357,088,151.17/x
  3. Step 3: Cross multiply
    72,908,540,233.53x = 100,611,601,265.09 × 40,357,088,151.17
  4. Step 4: Simplify right side
    72,908,540,233.53x = 4,060,391,261,285,402,542,080
  5. Step 5: Solve for x
    x = 4,060,391,261,285,402,542,080/72,908,540,233.53
  6. Step 6: Final answer
    x = 55,691,572,596.02

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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.