Home / 116,195,485.72-160,337,579.64-65,943,701.78

Finding the Fourth Proportional to 116,195,485.72, 160,337,579.64 and 65,943,701.78

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Solution

The fourth proportional to 116,195,485.72, 160,337,579.64 and 65,943,701.78 is: 90,995,389.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,195,485.72 : 160,337,579.64 = 65,943,701.78 : x
  2. Step 2: Convert to fraction form
    116,195,485.72/160,337,579.64 = 65,943,701.78/x
  3. Step 3: Cross multiply
    116,195,485.72x = 160,337,579.64 × 65,943,701.78
  4. Step 4: Simplify right side
    116,195,485.72x = 10,573,253,535,228,786
  5. Step 5: Solve for x
    x = 10,573,253,535,228,786/116,195,485.72
  6. Step 6: Final answer
    x = 90,995,389.97

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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.