Home / 67,698,181-93,423,489.78-38,724,805

Finding the Fourth Proportional to 67,698,181, 93,423,489.78 and 38,724,805

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Solution

The fourth proportional to 67,698,181, 93,423,489.78 and 38,724,805 is: 53,440,230.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,698,181 : 93,423,489.78 = 38,724,805 : x
  2. Step 2: Convert to fraction form
    67,698,181/93,423,489.78 = 38,724,805/x
  3. Step 3: Cross multiply
    67,698,181x = 93,423,489.78 × 38,724,805
  4. Step 4: Simplify right side
    67,698,181x = 3,617,806,424,149,993
  5. Step 5: Solve for x
    x = 3,617,806,424,149,993/67,698,181
  6. Step 6: Final answer
    x = 53,440,230.90

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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.