Home / 101,472,576.40-139,995,553.53-57,419,106.40

Finding the Fourth Proportional to 101,472,576.40, 139,995,553.53 and 57,419,106.40

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Solution

The fourth proportional to 101,472,576.40, 139,995,553.53 and 57,419,106.40 is: 79,217,655.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,472,576.40 : 139,995,553.53 = 57,419,106.40 : x
  2. Step 2: Convert to fraction form
    101,472,576.40/139,995,553.53 = 57,419,106.40/x
  3. Step 3: Cross multiply
    101,472,576.40x = 139,995,553.53 × 57,419,106.40
  4. Step 4: Simplify right side
    101,472,576.40x = 8,038,419,583,665,965
  5. Step 5: Solve for x
    x = 8,038,419,583,665,965/101,472,576.40
  6. Step 6: Final answer
    x = 79,217,655.34

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1.5x scale

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.