Home / 112,211,996.40-168,276,004.20-39,400,642.80

Finding the Fourth Proportional to 112,211,996.40, 168,276,004.20 and 39,400,642.80

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Solution

The fourth proportional to 112,211,996.40, 168,276,004.20 and 39,400,642.80 is: 59,086,220.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,211,996.40 : 168,276,004.20 = 39,400,642.80 : x
  2. Step 2: Convert to fraction form
    112,211,996.40/168,276,004.20 = 39,400,642.80/x
  3. Step 3: Cross multiply
    112,211,996.40x = 168,276,004.20 × 39,400,642.80
  4. Step 4: Simplify right side
    112,211,996.40x = 6,630,182,733,295,499
  5. Step 5: Solve for x
    x = 6,630,182,733,295,499/112,211,996.40
  6. Step 6: Final answer
    x = 59,086,220.24

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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.