Home / 158,271,260.89-218,426,456.91-99,584,231.26

Finding the Fourth Proportional to 158,271,260.89, 218,426,456.91 and 99,584,231.26

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Solution

The fourth proportional to 158,271,260.89, 218,426,456.91 and 99,584,231.26 is: 137,433,863.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,271,260.89 : 218,426,456.91 = 99,584,231.26 : x
  2. Step 2: Convert to fraction form
    158,271,260.89/218,426,456.91 = 99,584,231.26/x
  3. Step 3: Cross multiply
    158,271,260.89x = 218,426,456.91 × 99,584,231.26
  4. Step 4: Simplify right side
    158,271,260.89x = 21,751,830,798,227,864
  5. Step 5: Solve for x
    x = 21,751,830,798,227,864/158,271,260.89
  6. Step 6: Final answer
    x = 137,433,863.08

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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.