Home / 86,940,104.30-130,410,156.45-61,430,936.30

Finding the Fourth Proportional to 86,940,104.30, 130,410,156.45 and 61,430,936.30

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Solution

The fourth proportional to 86,940,104.30, 130,410,156.45 and 61,430,936.30 is: 92,146,404.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,940,104.30 : 130,410,156.45 = 61,430,936.30 : x
  2. Step 2: Convert to fraction form
    86,940,104.30/130,410,156.45 = 61,430,936.30/x
  3. Step 3: Cross multiply
    86,940,104.30x = 130,410,156.45 × 61,430,936.30
  4. Step 4: Simplify right side
    86,940,104.30x = 8,011,218,013,752,984
  5. Step 5: Solve for x
    x = 8,011,218,013,752,984/86,940,104.30
  6. Step 6: Final answer
    x = 92,146,404.45

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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.