Home / 141,076,069.84-194,694,582-78,359,339.62

Finding the Fourth Proportional to 141,076,069.84, 194,694,582 and 78,359,339.62

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Solution

The fourth proportional to 141,076,069.84, 194,694,582 and 78,359,339.62 is: 108,141,224.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,076,069.84 : 194,694,582 = 78,359,339.62 : x
  2. Step 2: Convert to fraction form
    141,076,069.84/194,694,582 = 78,359,339.62/x
  3. Step 3: Cross multiply
    141,076,069.84x = 194,694,582 × 78,359,339.62
  4. Step 4: Simplify right side
    141,076,069.84x = 15,256,138,873,111,940
  5. Step 5: Solve for x
    x = 15,256,138,873,111,940/141,076,069.84
  6. Step 6: Final answer
    x = 108,141,224.02

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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.