Home / 150,794,365.77-208,113,075.09-91,288,448.82

Finding the Fourth Proportional to 150,794,365.77, 208,113,075.09 and 91,288,448.82

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Solution

The fourth proportional to 150,794,365.77, 208,113,075.09 and 91,288,448.82 is: 125,988,260.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,794,365.77 : 208,113,075.09 = 91,288,448.82 : x
  2. Step 2: Convert to fraction form
    150,794,365.77/208,113,075.09 = 91,288,448.82/x
  3. Step 3: Cross multiply
    150,794,365.77x = 208,113,075.09 × 91,288,448.82
  4. Step 4: Simplify right side
    150,794,365.77x = 18,998,319,804,126,280
  5. Step 5: Solve for x
    x = 18,998,319,804,126,280/150,794,365.77
  6. Step 6: Final answer
    x = 125,988,260.28

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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.