Home / 101,359,391.36-139,886,385.49-61,669,739.79

Finding the Fourth Proportional to 101,359,391.36, 139,886,385.49 and 61,669,739.79

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Solution

The fourth proportional to 101,359,391.36, 139,886,385.49 and 61,669,739.79 is: 85,110,584.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,359,391.36 : 139,886,385.49 = 61,669,739.79 : x
  2. Step 2: Convert to fraction form
    101,359,391.36/139,886,385.49 = 61,669,739.79/x
  3. Step 3: Cross multiply
    101,359,391.36x = 139,886,385.49 × 61,669,739.79
  4. Step 4: Simplify right side
    101,359,391.36x = 8,626,756,992,842,367
  5. Step 5: Solve for x
    x = 8,626,756,992,842,367/101,359,391.36
  6. Step 6: Final answer
    x = 85,110,584.00

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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.