Home / 152,090,185.96-209,884,512.57-82,475,548.39

Finding the Fourth Proportional to 152,090,185.96, 209,884,512.57 and 82,475,548.39

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Solution

The fourth proportional to 152,090,185.96, 209,884,512.57 and 82,475,548.39 is: 113,816,287.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,090,185.96 : 209,884,512.57 = 82,475,548.39 : x
  2. Step 2: Convert to fraction form
    152,090,185.96/209,884,512.57 = 82,475,548.39/x
  3. Step 3: Cross multiply
    152,090,185.96x = 209,884,512.57 × 82,475,548.39
  4. Step 4: Simplify right side
    152,090,185.96x = 17,310,340,272,778,598
  5. Step 5: Solve for x
    x = 17,310,340,272,778,598/152,090,185.96
  6. Step 6: Final answer
    x = 113,816,287.12

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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.