Home / 168,095,071.72-252,150,334.98-51,502,077.64

Finding the Fourth Proportional to 168,095,071.72, 252,150,334.98 and 51,502,077.64

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Solution

The fourth proportional to 168,095,071.72, 252,150,334.98 and 51,502,077.64 is: 77,255,484.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,095,071.72 : 252,150,334.98 = 51,502,077.64 : x
  2. Step 2: Convert to fraction form
    168,095,071.72/252,150,334.98 = 51,502,077.64/x
  3. Step 3: Cross multiply
    168,095,071.72x = 252,150,334.98 × 51,502,077.64
  4. Step 4: Simplify right side
    168,095,071.72x = 12,986,266,129,091,968
  5. Step 5: Solve for x
    x = 12,986,266,129,091,968/168,095,071.72
  6. Step 6: Final answer
    x = 77,255,484.03

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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.