Home / 86,186,638.92-118,940,432.58-47,030,564.19

Finding the Fourth Proportional to 86,186,638.92, 118,940,432.58 and 47,030,564.19

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Solution

The fourth proportional to 86,186,638.92, 118,940,432.58 and 47,030,564.19 is: 64,903,745.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,186,638.92 : 118,940,432.58 = 47,030,564.19 : x
  2. Step 2: Convert to fraction form
    86,186,638.92/118,940,432.58 = 47,030,564.19/x
  3. Step 3: Cross multiply
    86,186,638.92x = 118,940,432.58 × 47,030,564.19
  4. Step 4: Simplify right side
    86,186,638.92x = 5,593,835,649,240,057
  5. Step 5: Solve for x
    x = 5,593,835,649,240,057/86,186,638.92
  6. Step 6: Final answer
    x = 64,903,745.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.