Home / 255,089,276.70-382,633,915.05-82,689,816.30

Finding the Fourth Proportional to 255,089,276.70, 382,633,915.05 and 82,689,816.30

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Solution

The fourth proportional to 255,089,276.70, 382,633,915.05 and 82,689,816.30 is: 124,034,724.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,089,276.70 : 382,633,915.05 = 82,689,816.30 : x
  2. Step 2: Convert to fraction form
    255,089,276.70/382,633,915.05 = 82,689,816.30/x
  3. Step 3: Cross multiply
    255,089,276.70x = 382,633,915.05 × 82,689,816.30
  4. Step 4: Simplify right side
    255,089,276.70x = 31,639,928,145,634,304
  5. Step 5: Solve for x
    x = 31,639,928,145,634,304/255,089,276.70
  6. Step 6: Final answer
    x = 124,034,724.45

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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.