Home / 209,954,833.80-314,932,250.70-106,642,703.40

Finding the Fourth Proportional to 209,954,833.80, 314,932,250.70 and 106,642,703.40

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Solution

The fourth proportional to 209,954,833.80, 314,932,250.70 and 106,642,703.40 is: 159,964,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,954,833.80 : 314,932,250.70 = 106,642,703.40 : x
  2. Step 2: Convert to fraction form
    209,954,833.80/314,932,250.70 = 106,642,703.40/x
  3. Step 3: Cross multiply
    209,954,833.80x = 314,932,250.70 × 106,642,703.40
  4. Step 4: Simplify right side
    209,954,833.80x = 33,585,226,602,494,544
  5. Step 5: Solve for x
    x = 33,585,226,602,494,544/209,954,833.80
  6. Step 6: Final answer
    x = 159,964,055.10

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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.