Home / 141,178,087.08-194,830,485.48-78,456,828.24

Finding the Fourth Proportional to 141,178,087.08, 194,830,485.48 and 78,456,828.24

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Solution

The fourth proportional to 141,178,087.08, 194,830,485.48 and 78,456,828.24 is: 108,273,048.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,178,087.08 : 194,830,485.48 = 78,456,828.24 : x
  2. Step 2: Convert to fraction form
    141,178,087.08/194,830,485.48 = 78,456,828.24/x
  3. Step 3: Cross multiply
    141,178,087.08x = 194,830,485.48 × 78,456,828.24
  4. Step 4: Simplify right side
    141,178,087.08x = 15,285,781,935,220,172
  5. Step 5: Solve for x
    x = 15,285,781,935,220,172/141,178,087.08
  6. Step 6: Final answer
    x = 108,273,048.97

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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.