Home / 168,531,300.16-252,574,990.14-71,366,779.36

Finding the Fourth Proportional to 168,531,300.16, 252,574,990.14 and 71,366,779.36

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Solution

The fourth proportional to 168,531,300.16, 252,574,990.14 and 71,366,779.36 is: 106,956,177.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,531,300.16 : 252,574,990.14 = 71,366,779.36 : x
  2. Step 2: Convert to fraction form
    168,531,300.16/252,574,990.14 = 71,366,779.36/x
  3. Step 3: Cross multiply
    168,531,300.16x = 252,574,990.14 × 71,366,779.36
  4. Step 4: Simplify right side
    168,531,300.16x = 18,025,463,593,175,556
  5. Step 5: Solve for x
    x = 18,025,463,593,175,556/168,531,300.16
  6. Step 6: Final answer
    x = 106,956,177.14

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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.