Home / 209,976,017.80-314,964,026.70-196,539,089.80

Finding the Fourth Proportional to 209,976,017.80, 314,964,026.70 and 196,539,089.80

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Solution

The fourth proportional to 209,976,017.80, 314,964,026.70 and 196,539,089.80 is: 294,808,634.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,976,017.80 : 314,964,026.70 = 196,539,089.80 : x
  2. Step 2: Convert to fraction form
    209,976,017.80/314,964,026.70 = 196,539,089.80/x
  3. Step 3: Cross multiply
    209,976,017.80x = 314,964,026.70 × 196,539,089.80
  4. Step 4: Simplify right side
    209,976,017.80x = 61,902,743,127,360,896
  5. Step 5: Solve for x
    x = 61,902,743,127,360,896/209,976,017.80
  6. Step 6: Final answer
    x = 294,808,634.70

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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.