Home / 72,765,873,005.60-109,148,809,508.40-44,481,307,527.20

Finding the Fourth Proportional to 72,765,873,005.60, 109,148,809,508.40 and 44,481,307,527.20

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Solution

The fourth proportional to 72,765,873,005.60, 109,148,809,508.40 and 44,481,307,527.20 is: 66,721,961,290.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,765,873,005.60 : 109,148,809,508.40 = 44,481,307,527.20 : x
  2. Step 2: Convert to fraction form
    72,765,873,005.60/109,148,809,508.40 = 44,481,307,527.20/x
  3. Step 3: Cross multiply
    72,765,873,005.60x = 109,148,809,508.40 × 44,481,307,527.20
  4. Step 4: Simplify right side
    72,765,873,005.60x = 4,855,081,761,970,911,707,136
  5. Step 5: Solve for x
    x = 4,855,081,761,970,911,707,136/72,765,873,005.60
  6. Step 6: Final answer
    x = 66,721,961,290.80

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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.