Home / 271,325,681.31-406,991,040.63-77,237,089.44

Finding the Fourth Proportional to 271,325,681.31, 406,991,040.63 and 77,237,089.44

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Solution

The fourth proportional to 271,325,681.31, 406,991,040.63 and 77,237,089.44 is: 115,856,351.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,325,681.31 : 406,991,040.63 = 77,237,089.44 : x
  2. Step 2: Convert to fraction form
    271,325,681.31/406,991,040.63 = 77,237,089.44/x
  3. Step 3: Cross multiply
    271,325,681.31x = 406,991,040.63 × 77,237,089.44
  4. Step 4: Simplify right side
    271,325,681.31x = 31,434,803,406,417,984
  5. Step 5: Solve for x
    x = 31,434,803,406,417,984/271,325,681.31
  6. Step 6: Final answer
    x = 115,856,351.14

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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.