Home / 107,683,442.40-161,525,163.60-64,685,272.80

Finding the Fourth Proportional to 107,683,442.40, 161,525,163.60 and 64,685,272.80

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Solution

The fourth proportional to 107,683,442.40, 161,525,163.60 and 64,685,272.80 is: 97,027,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,683,442.40 : 161,525,163.60 = 64,685,272.80 : x
  2. Step 2: Convert to fraction form
    107,683,442.40/161,525,163.60 = 64,685,272.80/x
  3. Step 3: Cross multiply
    107,683,442.40x = 161,525,163.60 × 64,685,272.80
  4. Step 4: Simplify right side
    107,683,442.40x = 10,448,299,271,530,630
  5. Step 5: Solve for x
    x = 10,448,299,271,530,630/107,683,442.40
  6. Step 6: Final answer
    x = 97,027,909.20

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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.