Home / 216,972,567.90-299,424,395.64-117,855,245.64

Finding the Fourth Proportional to 216,972,567.90, 299,424,395.64 and 117,855,245.64

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Solution

The fourth proportional to 216,972,567.90, 299,424,395.64 and 117,855,245.64 is: 162,641,462.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,972,567.90 : 299,424,395.64 = 117,855,245.64 : x
  2. Step 2: Convert to fraction form
    216,972,567.90/299,424,395.64 = 117,855,245.64/x
  3. Step 3: Cross multiply
    216,972,567.90x = 299,424,395.64 × 117,855,245.64
  4. Step 4: Simplify right side
    216,972,567.90x = 35,288,735,698,760,744
  5. Step 5: Solve for x
    x = 35,288,735,698,760,744/216,972,567.90
  6. Step 6: Final answer
    x = 162,641,462.19

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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.