Home / 30,579,151.19-42,199,234.83-16,828,115.31

Finding the Fourth Proportional to 30,579,151.19, 42,199,234.83 and 16,828,115.31

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Solution

The fourth proportional to 30,579,151.19, 42,199,234.83 and 16,828,115.31 is: 23,222,802.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,579,151.19 : 42,199,234.83 = 16,828,115.31 : x
  2. Step 2: Convert to fraction form
    30,579,151.19/42,199,234.83 = 16,828,115.31/x
  3. Step 3: Cross multiply
    30,579,151.19x = 42,199,234.83 × 16,828,115.31
  4. Step 4: Simplify right side
    30,579,151.19x = 710,133,589,713,008.12
  5. Step 5: Solve for x
    x = 710,133,589,713,008.12/30,579,151.19
  6. Step 6: Final answer
    x = 23,222,802.54

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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.