Home / 85,193,323.20-127,789,984.80-34,112,001.60

Finding the Fourth Proportional to 85,193,323.20, 127,789,984.80 and 34,112,001.60

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Solution

The fourth proportional to 85,193,323.20, 127,789,984.80 and 34,112,001.60 is: 51,168,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,193,323.20 : 127,789,984.80 = 34,112,001.60 : x
  2. Step 2: Convert to fraction form
    85,193,323.20/127,789,984.80 = 34,112,001.60/x
  3. Step 3: Cross multiply
    85,193,323.20x = 127,789,984.80 × 34,112,001.60
  4. Step 4: Simplify right side
    85,193,323.20x = 4,359,172,165,961,576
  5. Step 5: Solve for x
    x = 4,359,172,165,961,576/85,193,323.20
  6. Step 6: Final answer
    x = 51,168,002.40

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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.