Home / 309,298,298.07-426,828,650.54-168,169,516.55

Finding the Fourth Proportional to 309,298,298.07, 426,828,650.54 and 168,169,516.55

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Solution

The fourth proportional to 309,298,298.07, 426,828,650.54 and 168,169,516.55 is: 232,072,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,298,298.07 : 426,828,650.54 = 168,169,516.55 : x
  2. Step 2: Convert to fraction form
    309,298,298.07/426,828,650.54 = 168,169,516.55/x
  3. Step 3: Cross multiply
    309,298,298.07x = 426,828,650.54 × 168,169,516.55
  4. Step 4: Simplify right side
    309,298,298.07x = 71,779,567,810,228,144
  5. Step 5: Solve for x
    x = 71,779,567,810,228,144/309,298,298.07
  6. Step 6: Final answer
    x = 232,072,301.27

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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.