Home / 207,376,540.10-311,064,810.16-130,450,127.30

Finding the Fourth Proportional to 207,376,540.10, 311,064,810.16 and 130,450,127.30

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Solution

The fourth proportional to 207,376,540.10, 311,064,810.16 and 130,450,127.30 is: 195,675,190.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,376,540.10 : 311,064,810.16 = 130,450,127.30 : x
  2. Step 2: Convert to fraction form
    207,376,540.10/311,064,810.16 = 130,450,127.30/x
  3. Step 3: Cross multiply
    207,376,540.10x = 311,064,810.16 × 130,450,127.30
  4. Step 4: Simplify right side
    207,376,540.10x = 40,578,444,083,922,336
  5. Step 5: Solve for x
    x = 40,578,444,083,922,336/207,376,540.10
  6. Step 6: Final answer
    x = 195,675,190.96

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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.