Home / 64,862,512.92-89,512,024.06-39,744,185.98

Finding the Fourth Proportional to 64,862,512.92, 89,512,024.06 and 39,744,185.98

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Solution

The fourth proportional to 64,862,512.92, 89,512,024.06 and 39,744,185.98 is: 54,848,052.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,862,512.92 : 89,512,024.06 = 39,744,185.98 : x
  2. Step 2: Convert to fraction form
    64,862,512.92/89,512,024.06 = 39,744,185.98/x
  3. Step 3: Cross multiply
    64,862,512.92x = 89,512,024.06 × 39,744,185.98
  4. Step 4: Simplify right side
    64,862,512.92x = 3,557,582,531,686,874.50
  5. Step 5: Solve for x
    x = 3,557,582,531,686,874.50/64,862,512.92
  6. Step 6: Final answer
    x = 54,848,052.77

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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.