Home / 258,294,178.58-387,259,606.52-119,972,927.60

Finding the Fourth Proportional to 258,294,178.58, 387,259,606.52 and 119,972,927.60

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Solution

The fourth proportional to 258,294,178.58, 387,259,606.52 and 119,972,927.60 is: 179,875,013.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,294,178.58 : 387,259,606.52 = 119,972,927.60 : x
  2. Step 2: Convert to fraction form
    258,294,178.58/387,259,606.52 = 119,972,927.60/x
  3. Step 3: Cross multiply
    258,294,178.58x = 387,259,606.52 × 119,972,927.60
  4. Step 4: Simplify right side
    258,294,178.58x = 46,460,668,735,428,440
  5. Step 5: Solve for x
    x = 46,460,668,735,428,440/258,294,178.58
  6. Step 6: Final answer
    x = 179,875,013.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.