Home / 257,164,211.52-354,886,342.20-139,689,635.04

Finding the Fourth Proportional to 257,164,211.52, 354,886,342.20 and 139,689,635.04

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Solution

The fourth proportional to 257,164,211.52, 354,886,342.20 and 139,689,635.04 is: 192,771,549.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,164,211.52 : 354,886,342.20 = 139,689,635.04 : x
  2. Step 2: Convert to fraction form
    257,164,211.52/354,886,342.20 = 139,689,635.04/x
  3. Step 3: Cross multiply
    257,164,211.52x = 354,886,342.20 × 139,689,635.04
  4. Step 4: Simplify right side
    257,164,211.52x = 49,573,943,622,598,544
  5. Step 5: Solve for x
    x = 49,573,943,622,598,544/257,164,211.52
  6. Step 6: Final answer
    x = 192,771,549.86

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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.