Home / 158,271,205.06-218,426,379.83-99,584,175.43

Finding the Fourth Proportional to 158,271,205.06, 218,426,379.83 and 99,584,175.43

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Solution

The fourth proportional to 158,271,205.06, 218,426,379.83 and 99,584,175.43 is: 137,433,786.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,271,205.06 : 218,426,379.83 = 99,584,175.43 : x
  2. Step 2: Convert to fraction form
    158,271,205.06/218,426,379.83 = 99,584,175.43/x
  3. Step 3: Cross multiply
    158,271,205.06x = 218,426,379.83 × 99,584,175.43
  4. Step 4: Simplify right side
    158,271,205.06x = 21,751,810,927,679,088
  5. Step 5: Solve for x
    x = 21,751,810,927,679,088/158,271,205.06
  6. Step 6: Final answer
    x = 137,433,786.01

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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.