Home / 112,967,740.91-169,374,252.60-57,528,260.78

Finding the Fourth Proportional to 112,967,740.91, 169,374,252.60 and 57,528,260.78

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Solution

The fourth proportional to 112,967,740.91, 169,374,252.60 and 57,528,260.78 is: 86,252,996.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,967,740.91 : 169,374,252.60 = 57,528,260.78 : x
  2. Step 2: Convert to fraction form
    112,967,740.91/169,374,252.60 = 57,528,260.78/x
  3. Step 3: Cross multiply
    112,967,740.91x = 169,374,252.60 × 57,528,260.78
  4. Step 4: Simplify right side
    112,967,740.91x = 9,743,806,172,990,392
  5. Step 5: Solve for x
    x = 9,743,806,172,990,392/112,967,740.91
  6. Step 6: Final answer
    x = 86,252,996.60

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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.