Home / 163,555,120.10-245,334,817.06-54,380,291.13

Finding the Fourth Proportional to 163,555,120.10, 245,334,817.06 and 54,380,291.13

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Solution

The fourth proportional to 163,555,120.10, 245,334,817.06 and 54,380,291.13 is: 81,571,147.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,555,120.10 : 245,334,817.06 = 54,380,291.13 : x
  2. Step 2: Convert to fraction form
    163,555,120.10/245,334,817.06 = 54,380,291.13/x
  3. Step 3: Cross multiply
    163,555,120.10x = 245,334,817.06 × 54,380,291.13
  4. Step 4: Simplify right side
    163,555,120.10x = 13,341,378,776,797,378
  5. Step 5: Solve for x
    x = 13,341,378,776,797,378/163,555,120.10
  6. Step 6: Final answer
    x = 81,571,147.20

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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.