Home / 298,938,214.81-412,534,993.27-166,779,231.83

Finding the Fourth Proportional to 298,938,214.81, 412,534,993.27 and 166,779,231.83

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Solution

The fourth proportional to 298,938,214.81, 412,534,993.27 and 166,779,231.83 is: 230,155,483.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,938,214.81 : 412,534,993.27 = 166,779,231.83 : x
  2. Step 2: Convert to fraction form
    298,938,214.81/412,534,993.27 = 166,779,231.83/x
  3. Step 3: Cross multiply
    298,938,214.81x = 412,534,993.27 × 166,779,231.83
  4. Step 4: Simplify right side
    298,938,214.81x = 68,802,269,278,502,136
  5. Step 5: Solve for x
    x = 68,802,269,278,502,136/298,938,214.81
  6. Step 6: Final answer
    x = 230,155,483.21

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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.