Home / 118,227,445.12-163,266,548.32-111,786,466.24

Finding the Fourth Proportional to 118,227,445.12, 163,266,548.32 and 111,786,466.24

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Solution

The fourth proportional to 118,227,445.12, 163,266,548.32 and 111,786,466.24 is: 154,371,859.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,227,445.12 : 163,266,548.32 = 111,786,466.24 : x
  2. Step 2: Convert to fraction form
    118,227,445.12/163,266,548.32 = 111,786,466.24/x
  3. Step 3: Cross multiply
    118,227,445.12x = 163,266,548.32 × 111,786,466.24
  4. Step 4: Simplify right side
    118,227,445.12x = 18,250,990,491,895,008
  5. Step 5: Solve for x
    x = 18,250,990,491,895,008/118,227,445.12
  6. Step 6: Final answer
    x = 154,371,859.03

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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.