Home / 137,824,444.62-206,541,804.96-76,440,647.16

Finding the Fourth Proportional to 137,824,444.62, 206,541,804.96 and 76,440,647.16

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Solution

The fourth proportional to 137,824,444.62, 206,541,804.96 and 76,440,647.16 is: 114,552,895.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,824,444.62 : 206,541,804.96 = 76,440,647.16 : x
  2. Step 2: Convert to fraction form
    137,824,444.62/206,541,804.96 = 76,440,647.16/x
  3. Step 3: Cross multiply
    137,824,444.62x = 206,541,804.96 × 76,440,647.16
  4. Step 4: Simplify right side
    137,824,444.62x = 15,788,189,236,736,898
  5. Step 5: Solve for x
    x = 15,788,189,236,736,898/137,824,444.62
  6. Step 6: Final answer
    x = 114,552,895.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.