Home / 153,744,322,488.96-212,175,907,727.04-86,078,320,717.44

Finding the Fourth Proportional to 153,744,322,488.96, 212,175,907,727.04 and 86,078,320,717.44

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Solution

The fourth proportional to 153,744,322,488.96, 212,175,907,727.04 and 86,078,320,717.44 is: 118,792,977,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,744,322,488.96 : 212,175,907,727.04 = 86,078,320,717.44 : x
  2. Step 2: Convert to fraction form
    153,744,322,488.96/212,175,907,727.04 = 86,078,320,717.44/x
  3. Step 3: Cross multiply
    153,744,322,488.96x = 212,175,907,727.04 × 86,078,320,717.44
  4. Step 4: Simplify right side
    153,744,322,488.96x = 18,263,745,833,842,107,219,968
  5. Step 5: Solve for x
    x = 18,263,745,833,842,107,219,968/153,744,322,488.96
  6. Step 6: Final answer
    x = 118,792,977,445.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.