Home / 197,612,468.65-272,615,782.93-119,270,979.37

Finding the Fourth Proportional to 197,612,468.65, 272,615,782.93 and 119,270,979.37

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Solution

The fourth proportional to 197,612,468.65, 272,615,782.93 and 119,270,979.37 is: 164,539,978.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,612,468.65 : 272,615,782.93 = 119,270,979.37 : x
  2. Step 2: Convert to fraction form
    197,612,468.65/272,615,782.93 = 119,270,979.37/x
  3. Step 3: Cross multiply
    197,612,468.65x = 272,615,782.93 × 119,270,979.37
  4. Step 4: Simplify right side
    197,612,468.65x = 32,515,151,421,823,024
  5. Step 5: Solve for x
    x = 32,515,151,421,823,024/197,612,468.65
  6. Step 6: Final answer
    x = 164,539,978.90

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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.