Home / 118,829,087.28-178,285,801.68-53,245,068.84

Finding the Fourth Proportional to 118,829,087.28, 178,285,801.68 and 53,245,068.84

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Solution

The fourth proportional to 118,829,087.28, 178,285,801.68 and 53,245,068.84 is: 79,886,499.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,829,087.28 : 178,285,801.68 = 53,245,068.84 : x
  2. Step 2: Convert to fraction form
    118,829,087.28/178,285,801.68 = 53,245,068.84/x
  3. Step 3: Cross multiply
    118,829,087.28x = 178,285,801.68 × 53,245,068.84
  4. Step 4: Simplify right side
    118,829,087.28x = 9,492,839,783,646,188
  5. Step 5: Solve for x
    x = 9,492,839,783,646,188/118,829,087.28
  6. Step 6: Final answer
    x = 79,886,499.18

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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.