Home / 118,173,168.86-163,106,182.79-69,296,343.26

Finding the Fourth Proportional to 118,173,168.86, 163,106,182.79 and 69,296,343.26

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Solution

The fourth proportional to 118,173,168.86, 163,106,182.79 and 69,296,343.26 is: 95,644,909.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,173,168.86 : 163,106,182.79 = 69,296,343.26 : x
  2. Step 2: Convert to fraction form
    118,173,168.86/163,106,182.79 = 69,296,343.26/x
  3. Step 3: Cross multiply
    118,173,168.86x = 163,106,182.79 × 69,296,343.26
  4. Step 4: Simplify right side
    118,173,168.86x = 11,302,662,030,444,144
  5. Step 5: Solve for x
    x = 11,302,662,030,444,144/118,173,168.86
  6. Step 6: Final answer
    x = 95,644,909.41

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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.