Home / 67,724,123.03-93,457,700.13-39,848,638.75

Finding the Fourth Proportional to 67,724,123.03, 93,457,700.13 and 39,848,638.75

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Solution

The fourth proportional to 67,724,123.03, 93,457,700.13 and 39,848,638.75 is: 54,990,186.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,724,123.03 : 93,457,700.13 = 39,848,638.75 : x
  2. Step 2: Convert to fraction form
    67,724,123.03/93,457,700.13 = 39,848,638.75/x
  3. Step 3: Cross multiply
    67,724,123.03x = 93,457,700.13 × 39,848,638.75
  4. Step 4: Simplify right side
    67,724,123.03x = 3,724,162,131,327,685.50
  5. Step 5: Solve for x
    x = 3,724,162,131,327,685.50/67,724,123.03
  6. Step 6: Final answer
    x = 54,990,186.13

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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.