Home / 163,555,121.28-245,334,818.84-54,380,292.32

Finding the Fourth Proportional to 163,555,121.28, 245,334,818.84 and 54,380,292.32

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Solution

The fourth proportional to 163,555,121.28, 245,334,818.84 and 54,380,292.32 is: 81,571,148.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,555,121.28 : 245,334,818.84 = 54,380,292.32 : x
  2. Step 2: Convert to fraction form
    163,555,121.28/245,334,818.84 = 54,380,292.32/x
  3. Step 3: Cross multiply
    163,555,121.28x = 245,334,818.84 × 54,380,292.32
  4. Step 4: Simplify right side
    163,555,121.28x = 13,341,379,164,793,444
  5. Step 5: Solve for x
    x = 13,341,379,164,793,444/163,555,121.28
  6. Step 6: Final answer
    x = 81,571,148.98

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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.