Home / 65,008,376.23-89,711,537.61-35,639,078.74

Finding the Fourth Proportional to 65,008,376.23, 89,711,537.61 and 35,639,078.74

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Solution

The fourth proportional to 65,008,376.23, 89,711,537.61 and 35,639,078.74 is: 49,181,916.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,008,376.23 : 89,711,537.61 = 35,639,078.74 : x
  2. Step 2: Convert to fraction form
    65,008,376.23/89,711,537.61 = 35,639,078.74/x
  3. Step 3: Cross multiply
    65,008,376.23x = 89,711,537.61 × 35,639,078.74
  4. Step 4: Simplify right side
    65,008,376.23x = 3,197,236,552,769,261.50
  5. Step 5: Solve for x
    x = 3,197,236,552,769,261.50/65,008,376.23
  6. Step 6: Final answer
    x = 49,181,916.83

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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.