Home / 151,783,485.29-209,461,279.77-82,168,866.17

Finding the Fourth Proportional to 151,783,485.29, 209,461,279.77 and 82,168,866.17

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Solution

The fourth proportional to 151,783,485.29, 209,461,279.77 and 82,168,866.17 is: 113,393,073.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,783,485.29 : 209,461,279.77 = 82,168,866.17 : x
  2. Step 2: Convert to fraction form
    151,783,485.29/209,461,279.77 = 82,168,866.17/x
  3. Step 3: Cross multiply
    151,783,485.29x = 209,461,279.77 × 82,168,866.17
  4. Step 4: Simplify right side
    151,783,485.29x = 17,211,195,864,170,754
  5. Step 5: Solve for x
    x = 17,211,195,864,170,754/151,783,485.29
  6. Step 6: Final answer
    x = 113,393,073.24

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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.