Home / 84,667,057.80-127,000,586.70-30,141,211.20

Finding the Fourth Proportional to 84,667,057.80, 127,000,586.70 and 30,141,211.20

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Solution

The fourth proportional to 84,667,057.80, 127,000,586.70 and 30,141,211.20 is: 45,211,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,667,057.80 : 127,000,586.70 = 30,141,211.20 : x
  2. Step 2: Convert to fraction form
    84,667,057.80/127,000,586.70 = 30,141,211.20/x
  3. Step 3: Cross multiply
    84,667,057.80x = 127,000,586.70 × 30,141,211.20
  4. Step 4: Simplify right side
    84,667,057.80x = 3,827,951,506,248,611
  5. Step 5: Solve for x
    x = 3,827,951,506,248,611/84,667,057.80
  6. Step 6: Final answer
    x = 45,211,816.80

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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.