Home / 101,472,576.90-139,995,554.22-57,419,106.90

Finding the Fourth Proportional to 101,472,576.90, 139,995,554.22 and 57,419,106.90

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Solution

The fourth proportional to 101,472,576.90, 139,995,554.22 and 57,419,106.90 is: 79,217,656.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,472,576.90 : 139,995,554.22 = 57,419,106.90 : x
  2. Step 2: Convert to fraction form
    101,472,576.90/139,995,554.22 = 57,419,106.90/x
  3. Step 3: Cross multiply
    101,472,576.90x = 139,995,554.22 × 57,419,106.90
  4. Step 4: Simplify right side
    101,472,576.90x = 8,038,419,693,282,926
  5. Step 5: Solve for x
    x = 8,038,419,693,282,926/101,472,576.90
  6. Step 6: Final answer
    x = 79,217,656.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.