Home / 101,472,577.40-139,995,554.91-57,419,107.40

Finding the Fourth Proportional to 101,472,577.40, 139,995,554.91 and 57,419,107.40

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Solution

The fourth proportional to 101,472,577.40, 139,995,554.91 and 57,419,107.40 is: 79,217,656.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,472,577.40 : 139,995,554.91 = 57,419,107.40 : x
  2. Step 2: Convert to fraction form
    101,472,577.40/139,995,554.91 = 57,419,107.40/x
  3. Step 3: Cross multiply
    101,472,577.40x = 139,995,554.91 × 57,419,107.40
  4. Step 4: Simplify right side
    101,472,577.40x = 8,038,419,802,899,887
  5. Step 5: Solve for x
    x = 8,038,419,802,899,887/101,472,577.40
  6. Step 6: Final answer
    x = 79,217,656.72

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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.