Home / 313,462,879.60-470,071,285.80-119,271,161.20

Finding the Fourth Proportional to 313,462,879.60, 470,071,285.80 and 119,271,161.20

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Solution

The fourth proportional to 313,462,879.60, 470,071,285.80 and 119,271,161.20 is: 178,859,928.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,462,879.60 : 470,071,285.80 = 119,271,161.20 : x
  2. Step 2: Convert to fraction form
    313,462,879.60/470,071,285.80 = 119,271,161.20/x
  3. Step 3: Cross multiply
    313,462,879.60x = 470,071,285.80 × 119,271,161.20
  4. Step 4: Simplify right side
    313,462,879.60x = 56,065,948,104,143,072
  5. Step 5: Solve for x
    x = 56,065,948,104,143,072/313,462,879.60
  6. Step 6: Final answer
    x = 178,859,928.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.