Home / 252,828,715.40-379,089,108.30-99,290,817.80

Finding the Fourth Proportional to 252,828,715.40, 379,089,108.30 and 99,290,817.80

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Solution

The fourth proportional to 252,828,715.40, 379,089,108.30 and 99,290,817.80 is: 148,875,761.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,828,715.40 : 379,089,108.30 = 99,290,817.80 : x
  2. Step 2: Convert to fraction form
    252,828,715.40/379,089,108.30 = 99,290,817.80/x
  3. Step 3: Cross multiply
    252,828,715.40x = 379,089,108.30 × 99,290,817.80
  4. Step 4: Simplify right side
    252,828,715.40x = 37,640,067,582,179,768
  5. Step 5: Solve for x
    x = 37,640,067,582,179,768/252,828,715.40
  6. Step 6: Final answer
    x = 148,875,761.69

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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.