Home / 82,968,011.60-124,414,692.60-31,833,035.60

Finding the Fourth Proportional to 82,968,011.60, 124,414,692.60 and 31,833,035.60

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Solution

The fourth proportional to 82,968,011.60, 124,414,692.60 and 31,833,035.60 is: 47,735,232.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,968,011.60 : 124,414,692.60 = 31,833,035.60 : x
  2. Step 2: Convert to fraction form
    82,968,011.60/124,414,692.60 = 31,833,035.60/x
  3. Step 3: Cross multiply
    82,968,011.60x = 124,414,692.60 × 31,833,035.60
  4. Step 4: Simplify right side
    82,968,011.60x = 3,960,497,338,698,856.50
  5. Step 5: Solve for x
    x = 3,960,497,338,698,856.50/82,968,011.60
  6. Step 6: Final answer
    x = 47,735,232.68

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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.