Home / 186,626,714.40-279,940,071.60-118,546,279.20

Finding the Fourth Proportional to 186,626,714.40, 279,940,071.60 and 118,546,279.20

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Solution

The fourth proportional to 186,626,714.40, 279,940,071.60 and 118,546,279.20 is: 177,819,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,626,714.40 : 279,940,071.60 = 118,546,279.20 : x
  2. Step 2: Convert to fraction form
    186,626,714.40/279,940,071.60 = 118,546,279.20/x
  3. Step 3: Cross multiply
    186,626,714.40x = 279,940,071.60 × 118,546,279.20
  4. Step 4: Simplify right side
    186,626,714.40x = 33,185,853,887,161,596
  5. Step 5: Solve for x
    x = 33,185,853,887,161,596/186,626,714.40
  6. Step 6: Final answer
    x = 177,819,418.80

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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.