Home / 103,886,561.92-143,409,372.48-62,085,374.08

Finding the Fourth Proportional to 103,886,561.92, 143,409,372.48 and 62,085,374.08

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Solution

The fourth proportional to 103,886,561.92, 143,409,372.48 and 62,085,374.08 is: 85,705,257.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,886,561.92 : 143,409,372.48 = 62,085,374.08 : x
  2. Step 2: Convert to fraction form
    103,886,561.92/143,409,372.48 = 62,085,374.08/x
  3. Step 3: Cross multiply
    103,886,561.92x = 143,409,372.48 × 62,085,374.08
  4. Step 4: Simplify right side
    103,886,561.92x = 8,903,624,536,998,856
  5. Step 5: Solve for x
    x = 8,903,624,536,998,856/103,886,561.92
  6. Step 6: Final answer
    x = 85,705,257.47

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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.