Home / 245,065,545.63-338,190,506.24-133,556,412.87

Finding the Fourth Proportional to 245,065,545.63, 338,190,506.24 and 133,556,412.87

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Solution

The fourth proportional to 245,065,545.63, 338,190,506.24 and 133,556,412.87 is: 184,307,878.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,065,545.63 : 338,190,506.24 = 133,556,412.87 : x
  2. Step 2: Convert to fraction form
    245,065,545.63/338,190,506.24 = 133,556,412.87/x
  3. Step 3: Cross multiply
    245,065,545.63x = 338,190,506.24 × 133,556,412.87
  4. Step 4: Simplify right side
    245,065,545.63x = 45,167,510,879,435,976
  5. Step 5: Solve for x
    x = 45,167,510,879,435,976/245,065,545.63
  6. Step 6: Final answer
    x = 184,307,878.79

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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.