Home / 216,646,301.52-298,971,896.12-123,828,802.26

Finding the Fourth Proportional to 216,646,301.52, 298,971,896.12 and 123,828,802.26

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Solution

The fourth proportional to 216,646,301.52, 298,971,896.12 and 123,828,802.26 is: 170,883,747.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,646,301.52 : 298,971,896.12 = 123,828,802.26 : x
  2. Step 2: Convert to fraction form
    216,646,301.52/298,971,896.12 = 123,828,802.26/x
  3. Step 3: Cross multiply
    216,646,301.52x = 298,971,896.12 × 123,828,802.26
  4. Step 4: Simplify right side
    216,646,301.52x = 37,021,331,805,321,600
  5. Step 5: Solve for x
    x = 37,021,331,805,321,600/216,646,301.52
  6. Step 6: Final answer
    x = 170,883,747.13

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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.