Home / 82,872,017.00-124,273,824.35-28,288,998.98

Finding the Fourth Proportional to 82,872,017.00, 124,273,824.35 and 28,288,998.98

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Solution

The fourth proportional to 82,872,017.00, 124,273,824.35 and 28,288,998.98 is: 42,421,823.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,872,017.00 : 124,273,824.35 = 28,288,998.98 : x
  2. Step 2: Convert to fraction form
    82,872,017.00/124,273,824.35 = 28,288,998.98/x
  3. Step 3: Cross multiply
    82,872,017.00x = 124,273,824.35 × 28,288,998.98
  4. Step 4: Simplify right side
    82,872,017.00x = 3,515,582,089,515,035
  5. Step 5: Solve for x
    x = 3,515,582,089,515,035/82,872,017.00
  6. Step 6: Final answer
    x = 42,421,823.64

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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.