Home / 155,688,903.33-214,855,171.70-86,078,778.27

Finding the Fourth Proportional to 155,688,903.33, 214,855,171.70 and 86,078,778.27

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Solution

The fourth proportional to 155,688,903.33, 214,855,171.70 and 86,078,778.27 is: 118,791,193.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,688,903.33 : 214,855,171.70 = 86,078,778.27 : x
  2. Step 2: Convert to fraction form
    155,688,903.33/214,855,171.70 = 86,078,778.27/x
  3. Step 3: Cross multiply
    155,688,903.33x = 214,855,171.70 × 86,078,778.27
  4. Step 4: Simplify right side
    155,688,903.33x = 18,494,470,684,496,684
  5. Step 5: Solve for x
    x = 18,494,470,684,496,684/155,688,903.33
  6. Step 6: Final answer
    x = 118,791,193.78

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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.