Home / 74,828,934.10-112,303,855.35-31,728,401.97

Finding the Fourth Proportional to 74,828,934.10, 112,303,855.35 and 31,728,401.97

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Solution

The fourth proportional to 74,828,934.10, 112,303,855.35 and 31,728,401.97 is: 47,618,236.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,828,934.10 : 112,303,855.35 = 31,728,401.97 : x
  2. Step 2: Convert to fraction form
    74,828,934.10/112,303,855.35 = 31,728,401.97/x
  3. Step 3: Cross multiply
    74,828,934.10x = 112,303,855.35 × 31,728,401.97
  4. Step 4: Simplify right side
    74,828,934.10x = 3,563,221,864,904,395
  5. Step 5: Solve for x
    x = 3,563,221,864,904,395/74,828,934.10
  6. Step 6: Final answer
    x = 47,618,236.28

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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.