Home / 141,743,525.20-212,615,287.80-139,056,139.60

Finding the Fourth Proportional to 141,743,525.20, 212,615,287.80 and 139,056,139.60

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Solution

The fourth proportional to 141,743,525.20, 212,615,287.80 and 139,056,139.60 is: 208,584,209.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,743,525.20 : 212,615,287.80 = 139,056,139.60 : x
  2. Step 2: Convert to fraction form
    141,743,525.20/212,615,287.80 = 139,056,139.60/x
  3. Step 3: Cross multiply
    141,743,525.20x = 212,615,287.80 × 139,056,139.60
  4. Step 4: Simplify right side
    141,743,525.20x = 29,565,461,141,410,976
  5. Step 5: Solve for x
    x = 29,565,461,141,410,976/141,743,525.20
  6. Step 6: Final answer
    x = 208,584,209.40

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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.