Home / 72,908,540,234.53-100,611,601,266.47-40,357,088,152.17

Finding the Fourth Proportional to 72,908,540,234.53, 100,611,601,266.47 and 40,357,088,152.17

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Solution

The fourth proportional to 72,908,540,234.53, 100,611,601,266.47 and 40,357,088,152.17 is: 55,691,572,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,908,540,234.53 : 100,611,601,266.47 = 40,357,088,152.17 : x
  2. Step 2: Convert to fraction form
    72,908,540,234.53/100,611,601,266.47 = 40,357,088,152.17/x
  3. Step 3: Cross multiply
    72,908,540,234.53x = 100,611,601,266.47 × 40,357,088,152.17
  4. Step 4: Simplify right side
    72,908,540,234.53x = 4,060,391,261,441,908,277,248
  5. Step 5: Solve for x
    x = 4,060,391,261,441,908,277,248/72,908,540,234.53
  6. Step 6: Final answer
    x = 55,691,572,597.40

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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.