Home / 103,006,347.66-154,509,576.96-38,301,745.20

Finding the Fourth Proportional to 103,006,347.66, 154,509,576.96 and 38,301,745.20

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Solution

The fourth proportional to 103,006,347.66, 154,509,576.96 and 38,301,745.20 is: 57,452,638.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,006,347.66 : 154,509,576.96 = 38,301,745.20 : x
  2. Step 2: Convert to fraction form
    103,006,347.66/154,509,576.96 = 38,301,745.20/x
  3. Step 3: Cross multiply
    103,006,347.66x = 154,509,576.96 × 38,301,745.20
  4. Step 4: Simplify right side
    103,006,347.66x = 5,917,986,447,681,711
  5. Step 5: Solve for x
    x = 5,917,986,447,681,711/103,006,347.66
  6. Step 6: Final answer
    x = 57,452,638.43

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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.