Home / 111,546,051.40-167,319,077.10-103,987,779.40

Finding the Fourth Proportional to 111,546,051.40, 167,319,077.10 and 103,987,779.40

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Solution

The fourth proportional to 111,546,051.40, 167,319,077.10 and 103,987,779.40 is: 155,981,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,546,051.40 : 167,319,077.10 = 103,987,779.40 : x
  2. Step 2: Convert to fraction form
    111,546,051.40/167,319,077.10 = 103,987,779.40/x
  3. Step 3: Cross multiply
    111,546,051.40x = 167,319,077.10 × 103,987,779.40
  4. Step 4: Simplify right side
    111,546,051.40x = 17,399,139,278,886,392
  5. Step 5: Solve for x
    x = 17,399,139,278,886,392/111,546,051.40
  6. Step 6: Final answer
    x = 155,981,669.10

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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.