Home / 67,724,100.23-93,457,668.75-39,848,615.92

Finding the Fourth Proportional to 67,724,100.23, 93,457,668.75 and 39,848,615.92

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Solution

The fourth proportional to 67,724,100.23, 93,457,668.75 and 39,848,615.92 is: 54,990,154.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,724,100.23 : 93,457,668.75 = 39,848,615.92 : x
  2. Step 2: Convert to fraction form
    67,724,100.23/93,457,668.75 = 39,848,615.92/x
  3. Step 3: Cross multiply
    67,724,100.23x = 93,457,668.75 × 39,848,615.92
  4. Step 4: Simplify right side
    67,724,100.23x = 3,724,158,746,797,336.50
  5. Step 5: Solve for x
    x = 3,724,158,746,797,336.50/67,724,100.23
  6. Step 6: Final answer
    x = 54,990,154.67

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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.