Home / 82,989,940.80-124,484,911.20-44,726,188.80

Finding the Fourth Proportional to 82,989,940.80, 124,484,911.20 and 44,726,188.80

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Solution

The fourth proportional to 82,989,940.80, 124,484,911.20 and 44,726,188.80 is: 67,089,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,989,940.80 : 124,484,911.20 = 44,726,188.80 : x
  2. Step 2: Convert to fraction form
    82,989,940.80/124,484,911.20 = 44,726,188.80/x
  3. Step 3: Cross multiply
    82,989,940.80x = 124,484,911.20 × 44,726,188.80
  4. Step 4: Simplify right side
    82,989,940.80x = 5,567,735,641,082,434
  5. Step 5: Solve for x
    x = 5,567,735,641,082,434/82,989,940.80
  6. Step 6: Final answer
    x = 67,089,283.20

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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.