Home / 153,205,999.36-211,177,297.60-103,628,292.48

Finding the Fourth Proportional to 153,205,999.36, 211,177,297.60 and 103,628,292.48

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Solution

The fourth proportional to 153,205,999.36, 211,177,297.60 and 103,628,292.48 is: 142,839,985.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,205,999.36 : 211,177,297.60 = 103,628,292.48 : x
  2. Step 2: Convert to fraction form
    153,205,999.36/211,177,297.60 = 103,628,292.48/x
  3. Step 3: Cross multiply
    153,205,999.36x = 211,177,297.60 × 103,628,292.48
  4. Step 4: Simplify right side
    153,205,999.36x = 21,883,942,760,828,804
  5. Step 5: Solve for x
    x = 21,883,942,760,828,804/153,205,999.36
  6. Step 6: Final answer
    x = 142,839,985.72

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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.