Home / 220,626,508.26-304,460,866.89-121,516,485.06

Finding the Fourth Proportional to 220,626,508.26, 304,460,866.89 and 121,516,485.06

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Solution

The fourth proportional to 220,626,508.26, 304,460,866.89 and 121,516,485.06 is: 167,690,703.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,626,508.26 : 304,460,866.89 = 121,516,485.06 : x
  2. Step 2: Convert to fraction form
    220,626,508.26/304,460,866.89 = 121,516,485.06/x
  3. Step 3: Cross multiply
    220,626,508.26x = 304,460,866.89 × 121,516,485.06
  4. Step 4: Simplify right side
    220,626,508.26x = 36,997,014,382,793,336
  5. Step 5: Solve for x
    x = 36,997,014,382,793,336/220,626,508.26
  6. Step 6: Final answer
    x = 167,690,703.51

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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.