Home / 310,110,736.59-427,952,857.14-168,981,980.67

Finding the Fourth Proportional to 310,110,736.59, 427,952,857.14 and 168,981,980.67

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Solution

The fourth proportional to 310,110,736.59, 427,952,857.14 and 168,981,980.67 is: 233,195,155.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,110,736.59 : 427,952,857.14 = 168,981,980.67 : x
  2. Step 2: Convert to fraction form
    310,110,736.59/427,952,857.14 = 168,981,980.67/x
  3. Step 3: Cross multiply
    310,110,736.59x = 427,952,857.14 × 168,981,980.67
  4. Step 4: Simplify right side
    310,110,736.59x = 72,316,321,432,902,736
  5. Step 5: Solve for x
    x = 72,316,321,432,902,736/310,110,736.59
  6. Step 6: Final answer
    x = 233,195,155.47

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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.