Home / 169,257,890.40-253,886,835.60-159,054,223.20

Finding the Fourth Proportional to 169,257,890.40, 253,886,835.60 and 159,054,223.20

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Solution

The fourth proportional to 169,257,890.40, 253,886,835.60 and 159,054,223.20 is: 238,581,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,257,890.40 : 253,886,835.60 = 159,054,223.20 : x
  2. Step 2: Convert to fraction form
    169,257,890.40/253,886,835.60 = 159,054,223.20/x
  3. Step 3: Cross multiply
    169,257,890.40x = 253,886,835.60 × 159,054,223.20
  4. Step 4: Simplify right side
    169,257,890.40x = 40,381,773,417,064,104
  5. Step 5: Solve for x
    x = 40,381,773,417,064,104/169,257,890.40
  6. Step 6: Final answer
    x = 238,581,334.80

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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.