Home / 112,091,084.20-154,666,539.26-65,037,370.72

Finding the Fourth Proportional to 112,091,084.20, 154,666,539.26 and 65,037,370.72

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Solution

The fourth proportional to 112,091,084.20, 154,666,539.26 and 65,037,370.72 is: 89,740,456.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,091,084.20 : 154,666,539.26 = 65,037,370.72 : x
  2. Step 2: Convert to fraction form
    112,091,084.20/154,666,539.26 = 65,037,370.72/x
  3. Step 3: Cross multiply
    112,091,084.20x = 154,666,539.26 × 65,037,370.72
  4. Step 4: Simplify right side
    112,091,084.20x = 10,059,105,051,731,118
  5. Step 5: Solve for x
    x = 10,059,105,051,731,118/112,091,084.20
  6. Step 6: Final answer
    x = 89,740,456.37

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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.