Home / 165,888,107.20-248,832,160.80-105,347,281.60

Finding the Fourth Proportional to 165,888,107.20, 248,832,160.80 and 105,347,281.60

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Solution

The fourth proportional to 165,888,107.20, 248,832,160.80 and 105,347,281.60 is: 158,020,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888,107.20 : 248,832,160.80 = 105,347,281.60 : x
  2. Step 2: Convert to fraction form
    165,888,107.20/248,832,160.80 = 105,347,281.60/x
  3. Step 3: Cross multiply
    165,888,107.20x = 248,832,160.80 × 105,347,281.60
  4. Step 4: Simplify right side
    165,888,107.20x = 26,213,791,714,934,080
  5. Step 5: Solve for x
    x = 26,213,791,714,934,080/165,888,107.20
  6. Step 6: Final answer
    x = 158,020,922.40

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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.