Home / 310,166,653.14-428,010,749.73-170,929,636.02

Finding the Fourth Proportional to 310,166,653.14, 428,010,749.73 and 170,929,636.02

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Solution

The fourth proportional to 310,166,653.14, 428,010,749.73 and 170,929,636.02 is: 235,872,299.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,166,653.14 : 428,010,749.73 = 170,929,636.02 : x
  2. Step 2: Convert to fraction form
    310,166,653.14/428,010,749.73 = 170,929,636.02/x
  3. Step 3: Cross multiply
    310,166,653.14x = 428,010,749.73 × 170,929,636.02
  4. Step 4: Simplify right side
    310,166,653.14x = 73,159,721,663,996,224
  5. Step 5: Solve for x
    x = 73,159,721,663,996,224/310,166,653.14
  6. Step 6: Final answer
    x = 235,872,299.37

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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.