Home / 151,399,080.59-208,969,604.82-98,607,340.50

Finding the Fourth Proportional to 151,399,080.59, 208,969,604.82 and 98,607,340.50

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Solution

The fourth proportional to 151,399,080.59, 208,969,604.82 and 98,607,340.50 is: 136,103,448.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,399,080.59 : 208,969,604.82 = 98,607,340.50 : x
  2. Step 2: Convert to fraction form
    151,399,080.59/208,969,604.82 = 98,607,340.50/x
  3. Step 3: Cross multiply
    151,399,080.59x = 208,969,604.82 × 98,607,340.50
  4. Step 4: Simplify right side
    151,399,080.59x = 20,605,936,976,636,180
  5. Step 5: Solve for x
    x = 20,605,936,976,636,180/151,399,080.59
  6. Step 6: Final answer
    x = 136,103,448.56

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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.