Home / 158,976,009.80-238,464,014.70-56,743,382.60

Finding the Fourth Proportional to 158,976,009.80, 238,464,014.70 and 56,743,382.60

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Solution

The fourth proportional to 158,976,009.80, 238,464,014.70 and 56,743,382.60 is: 85,115,073.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,976,009.80 : 238,464,014.70 = 56,743,382.60 : x
  2. Step 2: Convert to fraction form
    158,976,009.80/238,464,014.70 = 56,743,382.60/x
  3. Step 3: Cross multiply
    158,976,009.80x = 238,464,014.70 × 56,743,382.60
  4. Step 4: Simplify right side
    158,976,009.80x = 13,531,254,822,454,124
  5. Step 5: Solve for x
    x = 13,531,254,822,454,124/158,976,009.80
  6. Step 6: Final answer
    x = 85,115,073.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.