Home / 67,724,125.04-93,457,702.89-39,848,640.76

Finding the Fourth Proportional to 67,724,125.04, 93,457,702.89 and 39,848,640.76

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Solution

The fourth proportional to 67,724,125.04, 93,457,702.89 and 39,848,640.76 is: 54,990,188.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,724,125.04 : 93,457,702.89 = 39,848,640.76 : x
  2. Step 2: Convert to fraction form
    67,724,125.04/93,457,702.89 = 39,848,640.76/x
  3. Step 3: Cross multiply
    67,724,125.04x = 93,457,702.89 × 39,848,640.76
  4. Step 4: Simplify right side
    67,724,125.04x = 3,724,162,428,718,423.50
  5. Step 5: Solve for x
    x = 3,724,162,428,718,423.50/67,724,125.04
  6. Step 6: Final answer
    x = 54,990,188.90

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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.