Home / 86,413,674.90-129,603,923.55-25,831,377.30

Finding the Fourth Proportional to 86,413,674.90, 129,603,923.55 and 25,831,377.30

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Solution

The fourth proportional to 86,413,674.90, 129,603,923.55 and 25,831,377.30 is: 38,742,107.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,413,674.90 : 129,603,923.55 = 25,831,377.30 : x
  2. Step 2: Convert to fraction form
    86,413,674.90/129,603,923.55 = 25,831,377.30/x
  3. Step 3: Cross multiply
    86,413,674.90x = 129,603,923.55 × 25,831,377.30
  4. Step 4: Simplify right side
    86,413,674.90x = 3,347,847,848,780,405.50
  5. Step 5: Solve for x
    x = 3,347,847,848,780,405.50/86,413,674.90
  6. Step 6: Final answer
    x = 38,742,107.11

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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.