Home / 209,710,974.08-289,525,285.96-186,441,829.88

Finding the Fourth Proportional to 209,710,974.08, 289,525,285.96 and 186,441,829.88

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Solution

The fourth proportional to 209,710,974.08, 289,525,285.96 and 186,441,829.88 is: 257,400,092.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,710,974.08 : 289,525,285.96 = 186,441,829.88 : x
  2. Step 2: Convert to fraction form
    209,710,974.08/289,525,285.96 = 186,441,829.88/x
  3. Step 3: Cross multiply
    209,710,974.08x = 289,525,285.96 × 186,441,829.88
  4. Step 4: Simplify right side
    209,710,974.08x = 53,979,624,110,912,664
  5. Step 5: Solve for x
    x = 53,979,624,110,912,664/209,710,974.08
  6. Step 6: Final answer
    x = 257,400,092.43

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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.