Home / 168,291,326.60-252,362,340.30-77,368,113.80

Finding the Fourth Proportional to 168,291,326.60, 252,362,340.30 and 77,368,113.80

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Solution

The fourth proportional to 168,291,326.60, 252,362,340.30 and 77,368,113.80 is: 116,017,852.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,291,326.60 : 252,362,340.30 = 77,368,113.80 : x
  2. Step 2: Convert to fraction form
    168,291,326.60/252,362,340.30 = 77,368,113.80/x
  3. Step 3: Cross multiply
    168,291,326.60x = 252,362,340.30 × 77,368,113.80
  4. Step 4: Simplify right side
    168,291,326.60x = 19,524,798,263,164,728
  5. Step 5: Solve for x
    x = 19,524,798,263,164,728/168,291,326.60
  6. Step 6: Final answer
    x = 116,017,852.24

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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.