Home / 154,002,611.67-212,523,604.02-92,125,558.23

Finding the Fourth Proportional to 154,002,611.67, 212,523,604.02 and 92,125,558.23

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Solution

The fourth proportional to 154,002,611.67, 212,523,604.02 and 92,125,558.23 is: 127,133,270.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,002,611.67 : 212,523,604.02 = 92,125,558.23 : x
  2. Step 2: Convert to fraction form
    154,002,611.67/212,523,604.02 = 92,125,558.23/x
  3. Step 3: Cross multiply
    154,002,611.67x = 212,523,604.02 × 92,125,558.23
  4. Step 4: Simplify right side
    154,002,611.67x = 19,578,855,657,393,972
  5. Step 5: Solve for x
    x = 19,578,855,657,393,972/154,002,611.67
  6. Step 6: Final answer
    x = 127,133,270.31

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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.