Home / 20,110,366,898.40-30,165,550,347.60-17,902,070,111.10

Finding the Fourth Proportional to 20,110,366,898.40, 30,165,550,347.60 and 17,902,070,111.10

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Solution

The fourth proportional to 20,110,366,898.40, 30,165,550,347.60 and 17,902,070,111.10 is: 26,853,105,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,110,366,898.40 : 30,165,550,347.60 = 17,902,070,111.10 : x
  2. Step 2: Convert to fraction form
    20,110,366,898.40/30,165,550,347.60 = 17,902,070,111.10/x
  3. Step 3: Cross multiply
    20,110,366,898.40x = 30,165,550,347.60 × 17,902,070,111.10
  4. Step 4: Simplify right side
    20,110,366,898.40x = 540,025,797,262,652,080,128
  5. Step 5: Solve for x
    x = 540,025,797,262,652,080,128/20,110,366,898.40
  6. Step 6: Final answer
    x = 26,853,105,166.65

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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.