Home / 292,421,920.92-438,629,498.34-71,094,516.60

Finding the Fourth Proportional to 292,421,920.92, 438,629,498.34 and 71,094,516.60

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Solution

The fourth proportional to 292,421,920.92, 438,629,498.34 and 71,094,516.60 is: 106,640,952.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,421,920.92 : 438,629,498.34 = 71,094,516.60 : x
  2. Step 2: Convert to fraction form
    292,421,920.92/438,629,498.34 = 71,094,516.60/x
  3. Step 3: Cross multiply
    292,421,920.92x = 438,629,498.34 × 71,094,516.60
  4. Step 4: Simplify right side
    292,421,920.92x = 31,184,152,150,982,796
  5. Step 5: Solve for x
    x = 31,184,152,150,982,796/292,421,920.92
  6. Step 6: Final answer
    x = 106,640,952.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.