Home / 124,415,998.80-186,623,998.20-115,346,072.40

Finding the Fourth Proportional to 124,415,998.80, 186,623,998.20 and 115,346,072.40

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Solution

The fourth proportional to 124,415,998.80, 186,623,998.20 and 115,346,072.40 is: 173,019,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,415,998.80 : 186,623,998.20 = 115,346,072.40 : x
  2. Step 2: Convert to fraction form
    124,415,998.80/186,623,998.20 = 115,346,072.40/x
  3. Step 3: Cross multiply
    124,415,998.80x = 186,623,998.20 × 115,346,072.40
  4. Step 4: Simplify right side
    124,415,998.80x = 21,526,345,207,954,668
  5. Step 5: Solve for x
    x = 21,526,345,207,954,668/124,415,998.80
  6. Step 6: Final answer
    x = 173,019,108.60

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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.