Home / 127,314,049.99-190,971,089.78-39,882,380.20

Finding the Fourth Proportional to 127,314,049.99, 190,971,089.78 and 39,882,380.20

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Solution

The fourth proportional to 127,314,049.99, 190,971,089.78 and 39,882,380.20 is: 59,823,574.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,314,049.99 : 190,971,089.78 = 39,882,380.20 : x
  2. Step 2: Convert to fraction form
    127,314,049.99/190,971,089.78 = 39,882,380.20/x
  3. Step 3: Cross multiply
    127,314,049.99x = 190,971,089.78 × 39,882,380.20
  4. Step 4: Simplify right side
    127,314,049.99x = 7,616,381,609,137,455
  5. Step 5: Solve for x
    x = 7,616,381,609,137,455/127,314,049.99
  6. Step 6: Final answer
    x = 59,823,574.93

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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.