Home / 117,048,141.68-161,582,446.68-77,954,975.60

Finding the Fourth Proportional to 117,048,141.68, 161,582,446.68 and 77,954,975.60

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Solution

The fourth proportional to 117,048,141.68, 161,582,446.68 and 77,954,975.60 is: 107,615,170.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,048,141.68 : 161,582,446.68 = 77,954,975.60 : x
  2. Step 2: Convert to fraction form
    117,048,141.68/161,582,446.68 = 77,954,975.60/x
  3. Step 3: Cross multiply
    117,048,141.68x = 161,582,446.68 × 77,954,975.60
  4. Step 4: Simplify right side
    117,048,141.68x = 12,596,155,688,327,700
  5. Step 5: Solve for x
    x = 12,596,155,688,327,700/117,048,141.68
  6. Step 6: Final answer
    x = 107,615,170.20

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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.