Home / 118,335,670.36-163,300,092.54-66,125,135.05

Finding the Fourth Proportional to 118,335,670.36, 163,300,092.54 and 66,125,135.05

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Solution

The fourth proportional to 118,335,670.36, 163,300,092.54 and 66,125,135.05 is: 91,250,935.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,335,670.36 : 163,300,092.54 = 66,125,135.05 : x
  2. Step 2: Convert to fraction form
    118,335,670.36/163,300,092.54 = 66,125,135.05/x
  3. Step 3: Cross multiply
    118,335,670.36x = 163,300,092.54 × 66,125,135.05
  4. Step 4: Simplify right side
    118,335,670.36x = 10,798,240,672,884,996
  5. Step 5: Solve for x
    x = 10,798,240,672,884,996/118,335,670.36
  6. Step 6: Final answer
    x = 91,250,935.92

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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.