Home / 65,146,044.06-89,936,443.80-50,228,787.60

Finding the Fourth Proportional to 65,146,044.06, 89,936,443.80 and 50,228,787.60

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Solution

The fourth proportional to 65,146,044.06, 89,936,443.80 and 50,228,787.60 is: 69,342,637.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,146,044.06 : 89,936,443.80 = 50,228,787.60 : x
  2. Step 2: Convert to fraction form
    65,146,044.06/89,936,443.80 = 50,228,787.60/x
  3. Step 3: Cross multiply
    65,146,044.06x = 89,936,443.80 × 50,228,787.60
  4. Step 4: Simplify right side
    65,146,044.06x = 4,517,398,533,129,537
  5. Step 5: Solve for x
    x = 4,517,398,533,129,537/65,146,044.06
  6. Step 6: Final answer
    x = 69,342,637.74

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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.