Home / 219,208,589.28-302,507,828.12-131,102,572.83

Finding the Fourth Proportional to 219,208,589.28, 302,507,828.12 and 131,102,572.83

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Solution

The fourth proportional to 219,208,589.28, 302,507,828.12 and 131,102,572.83 is: 180,921,535.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,208,589.28 : 302,507,828.12 = 131,102,572.83 : x
  2. Step 2: Convert to fraction form
    219,208,589.28/302,507,828.12 = 131,102,572.83/x
  3. Step 3: Cross multiply
    219,208,589.28x = 302,507,828.12 × 131,102,572.83
  4. Step 4: Simplify right side
    219,208,589.28x = 39,659,554,567,091,912
  5. Step 5: Solve for x
    x = 39,659,554,567,091,912/219,208,589.28
  6. Step 6: Final answer
    x = 180,921,535.50

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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.