Home / 163,213,990.80-244,820,986.20-54,056,009.40

Finding the Fourth Proportional to 163,213,990.80, 244,820,986.20 and 54,056,009.40

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Solution

The fourth proportional to 163,213,990.80, 244,820,986.20 and 54,056,009.40 is: 81,084,014.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,213,990.80 : 244,820,986.20 = 54,056,009.40 : x
  2. Step 2: Convert to fraction form
    163,213,990.80/244,820,986.20 = 54,056,009.40/x
  3. Step 3: Cross multiply
    163,213,990.80x = 244,820,986.20 × 54,056,009.40
  4. Step 4: Simplify right side
    163,213,990.80x = 13,234,045,531,344,470
  5. Step 5: Solve for x
    x = 13,234,045,531,344,470/163,213,990.80
  6. Step 6: Final answer
    x = 81,084,014.10

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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.