Home / 64,984,208,708.72-89,664,778,975.61-37,517,319,257.12

Finding the Fourth Proportional to 64,984,208,708.72, 89,664,778,975.61 and 37,517,319,257.12

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Solution

The fourth proportional to 64,984,208,708.72, 89,664,778,975.61 and 37,517,319,257.12 is: 51,766,147,588.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,984,208,708.72 : 89,664,778,975.61 = 37,517,319,257.12 : x
  2. Step 2: Convert to fraction form
    64,984,208,708.72/89,664,778,975.61 = 37,517,319,257.12/x
  3. Step 3: Cross multiply
    64,984,208,708.72x = 89,664,778,975.61 × 37,517,319,257.12
  4. Step 4: Simplify right side
    64,984,208,708.72x = 3,363,982,138,946,957,082,624
  5. Step 5: Solve for x
    x = 3,363,982,138,946,957,082,624/64,984,208,708.72
  6. Step 6: Final answer
    x = 51,766,147,588.64

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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.