Home / 51,129,055,905.60-76,693,583,858.40-47,642,271,504.60

Finding the Fourth Proportional to 51,129,055,905.60, 76,693,583,858.40 and 47,642,271,504.60

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Solution

The fourth proportional to 51,129,055,905.60, 76,693,583,858.40 and 47,642,271,504.60 is: 71,463,407,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,129,055,905.60 : 76,693,583,858.40 = 47,642,271,504.60 : x
  2. Step 2: Convert to fraction form
    51,129,055,905.60/76,693,583,858.40 = 47,642,271,504.60/x
  3. Step 3: Cross multiply
    51,129,055,905.60x = 76,693,583,858.40 × 47,642,271,504.60
  4. Step 4: Simplify right side
    51,129,055,905.60x = 3,653,856,544,842,700,554,240
  5. Step 5: Solve for x
    x = 3,653,856,544,842,700,554,240/51,129,055,905.60
  6. Step 6: Final answer
    x = 71,463,407,256.90

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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.