Home / 152,090,168.32-209,884,488.07-82,475,530.75

Finding the Fourth Proportional to 152,090,168.32, 209,884,488.07 and 82,475,530.75

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Solution

The fourth proportional to 152,090,168.32, 209,884,488.07 and 82,475,530.75 is: 113,816,262.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,090,168.32 : 209,884,488.07 = 82,475,530.75 : x
  2. Step 2: Convert to fraction form
    152,090,168.32/209,884,488.07 = 82,475,530.75/x
  3. Step 3: Cross multiply
    152,090,168.32x = 209,884,488.07 × 82,475,530.75
  4. Step 4: Simplify right side
    152,090,168.32x = 17,310,334,548,795,914
  5. Step 5: Solve for x
    x = 17,310,334,548,795,914/152,090,168.32
  6. Step 6: Final answer
    x = 113,816,262.68

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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.