Home / 217,389,073.41-299,999,300.09-118,270,384.29

Finding the Fourth Proportional to 217,389,073.41, 299,999,300.09 and 118,270,384.29

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Solution

The fourth proportional to 217,389,073.41, 299,999,300.09 and 118,270,384.29 is: 163,214,424.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,389,073.41 : 299,999,300.09 = 118,270,384.29 : x
  2. Step 2: Convert to fraction form
    217,389,073.41/299,999,300.09 = 118,270,384.29/x
  3. Step 3: Cross multiply
    217,389,073.41x = 299,999,300.09 × 118,270,384.29
  4. Step 4: Simplify right side
    217,389,073.41x = 35,481,032,507,783,980
  5. Step 5: Solve for x
    x = 35,481,032,507,783,980/217,389,073.41
  6. Step 6: Final answer
    x = 163,214,424.49

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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.