Home / 117,089,902.17-161,583,905.03-64,882,317.69

Finding the Fourth Proportional to 117,089,902.17, 161,583,905.03 and 64,882,317.69

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Solution

The fourth proportional to 117,089,902.17, 161,583,905.03 and 64,882,317.69 is: 89,537,509.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,089,902.17 : 161,583,905.03 = 64,882,317.69 : x
  2. Step 2: Convert to fraction form
    117,089,902.17/161,583,905.03 = 64,882,317.69/x
  3. Step 3: Cross multiply
    117,089,902.17x = 161,583,905.03 × 64,882,317.69
  4. Step 4: Simplify right side
    117,089,902.17x = 10,483,938,259,422,838
  5. Step 5: Solve for x
    x = 10,483,938,259,422,838/117,089,902.17
  6. Step 6: Final answer
    x = 89,537,509.77

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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.