Home / 169,144,710.20-253,745,058.90-72,146,886.20

Finding the Fourth Proportional to 169,144,710.20, 253,745,058.90 and 72,146,886.20

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Solution

The fourth proportional to 169,144,710.20, 253,745,058.90 and 72,146,886.20 is: 108,232,269.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,144,710.20 : 253,745,058.90 = 72,146,886.20 : x
  2. Step 2: Convert to fraction form
    169,144,710.20/253,745,058.90 = 72,146,886.20/x
  3. Step 3: Cross multiply
    169,144,710.20x = 253,745,058.90 × 72,146,886.20
  4. Step 4: Simplify right side
    169,144,710.20x = 18,306,915,888,270,600
  5. Step 5: Solve for x
    x = 18,306,915,888,270,600/169,144,710.20
  6. Step 6: Final answer
    x = 108,232,269.67

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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.