Home / 163,262,583.20-225,293,861.76-101,381,602.88

Finding the Fourth Proportional to 163,262,583.20, 225,293,861.76 and 101,381,602.88

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Solution

The fourth proportional to 163,262,583.20, 225,293,861.76 and 101,381,602.88 is: 139,901,331.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,262,583.20 : 225,293,861.76 = 101,381,602.88 : x
  2. Step 2: Convert to fraction form
    163,262,583.20/225,293,861.76 = 101,381,602.88/x
  3. Step 3: Cross multiply
    163,262,583.20x = 225,293,861.76 × 101,381,602.88
  4. Step 4: Simplify right side
    163,262,583.20x = 22,840,652,824,253,936
  5. Step 5: Solve for x
    x = 22,840,652,824,253,936/163,262,583.20
  6. Step 6: Final answer
    x = 139,901,331.81

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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.