Home / 163,738,802.72-225,979,362.05-93,191,566.38

Finding the Fourth Proportional to 163,738,802.72, 225,979,362.05 and 93,191,566.38

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Solution

The fourth proportional to 163,738,802.72, 225,979,362.05 and 93,191,566.38 is: 128,615,638.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,738,802.72 : 225,979,362.05 = 93,191,566.38 : x
  2. Step 2: Convert to fraction form
    163,738,802.72/225,979,362.05 = 93,191,566.38/x
  3. Step 3: Cross multiply
    163,738,802.72x = 225,979,362.05 × 93,191,566.38
  4. Step 4: Simplify right side
    163,738,802.72x = 21,059,370,718,526,668
  5. Step 5: Solve for x
    x = 21,059,370,718,526,668/163,738,802.72
  6. Step 6: Final answer
    x = 128,615,638.87

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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.