Home / 235,563,679.20-325,071,541.44-131,141,748.36

Finding the Fourth Proportional to 235,563,679.20, 325,071,541.44 and 131,141,748.36

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Solution

The fourth proportional to 235,563,679.20, 325,071,541.44 and 131,141,748.36 is: 180,972,085.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,563,679.20 : 325,071,541.44 = 131,141,748.36 : x
  2. Step 2: Convert to fraction form
    235,563,679.20/325,071,541.44 = 131,141,748.36/x
  3. Step 3: Cross multiply
    235,563,679.20x = 325,071,541.44 × 131,141,748.36
  4. Step 4: Simplify right side
    235,563,679.20x = 42,630,450,286,521,792
  5. Step 5: Solve for x
    x = 42,630,450,286,521,792/235,563,679.20
  6. Step 6: Final answer
    x = 180,972,085.47

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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.