Home / 144,713,305.08-199,705,622.31-78,633,803.16

Finding the Fourth Proportional to 144,713,305.08, 199,705,622.31 and 78,633,803.16

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Solution

The fourth proportional to 144,713,305.08, 199,705,622.31 and 78,633,803.16 is: 108,515,333.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,713,305.08 : 199,705,622.31 = 78,633,803.16 : x
  2. Step 2: Convert to fraction form
    144,713,305.08/199,705,622.31 = 78,633,803.16/x
  3. Step 3: Cross multiply
    144,713,305.08x = 199,705,622.31 × 78,633,803.16
  4. Step 4: Simplify right side
    144,713,305.08x = 15,703,612,594,669,844
  5. Step 5: Solve for x
    x = 15,703,612,594,669,844/144,713,305.08
  6. Step 6: Final answer
    x = 108,515,333.72

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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.