Home / 312,208,675.48-468,131,484.80-118,135,082.80

Finding the Fourth Proportional to 312,208,675.48, 468,131,484.80 and 118,135,082.80

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Solution

The fourth proportional to 312,208,675.48, 468,131,484.80 and 118,135,082.80 is: 177,133,936.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,208,675.48 : 468,131,484.80 = 118,135,082.80 : x
  2. Step 2: Convert to fraction form
    312,208,675.48/468,131,484.80 = 118,135,082.80/x
  3. Step 3: Cross multiply
    312,208,675.48x = 468,131,484.80 × 118,135,082.80
  4. Step 4: Simplify right side
    312,208,675.48x = 55,302,751,717,544,264
  5. Step 5: Solve for x
    x = 55,302,751,717,544,264/312,208,675.48
  6. Step 6: Final answer
    x = 177,133,936.57

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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.