Home / 57,376,841.78-79,177,731.98-31,270,797.74

Finding the Fourth Proportional to 57,376,841.78, 79,177,731.98 and 31,270,797.74

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Solution

The fourth proportional to 57,376,841.78, 79,177,731.98 and 31,270,797.74 is: 43,152,442.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,376,841.78 : 79,177,731.98 = 31,270,797.74 : x
  2. Step 2: Convert to fraction form
    57,376,841.78/79,177,731.98 = 31,270,797.74/x
  3. Step 3: Cross multiply
    57,376,841.78x = 79,177,731.98 × 31,270,797.74
  4. Step 4: Simplify right side
    57,376,841.78x = 2,475,950,842,258,509.50
  5. Step 5: Solve for x
    x = 2,475,950,842,258,509.50/57,376,841.78
  6. Step 6: Final answer
    x = 43,152,442.09

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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.