Home / 137,531,201.68-206,322,316.44-45,421,322.32

Finding the Fourth Proportional to 137,531,201.68, 206,322,316.44 and 45,421,322.32

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Solution

The fourth proportional to 137,531,201.68, 206,322,316.44 and 45,421,322.32 is: 68,140,409.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,531,201.68 : 206,322,316.44 = 45,421,322.32 : x
  2. Step 2: Convert to fraction form
    137,531,201.68/206,322,316.44 = 45,421,322.32/x
  3. Step 3: Cross multiply
    137,531,201.68x = 206,322,316.44 × 45,421,322.32
  4. Step 4: Simplify right side
    137,531,201.68x = 9,371,432,436,830,274
  5. Step 5: Solve for x
    x = 9,371,432,436,830,274/137,531,201.68
  6. Step 6: Final answer
    x = 68,140,409.76

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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.