Home / 208,746,677.80-313,120,016.70-127,117,340.20

Finding the Fourth Proportional to 208,746,677.80, 313,120,016.70 and 127,117,340.20

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Solution

The fourth proportional to 208,746,677.80, 313,120,016.70 and 127,117,340.20 is: 190,676,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,746,677.80 : 313,120,016.70 = 127,117,340.20 : x
  2. Step 2: Convert to fraction form
    208,746,677.80/313,120,016.70 = 127,117,340.20/x
  3. Step 3: Cross multiply
    208,746,677.80x = 313,120,016.70 × 127,117,340.20
  4. Step 4: Simplify right side
    208,746,677.80x = 39,802,983,686,283,584
  5. Step 5: Solve for x
    x = 39,802,983,686,283,584/208,746,677.80
  6. Step 6: Final answer
    x = 190,676,010.30

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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.