Home / 112,967,742.90-169,374,255.60-57,528,262.79

Finding the Fourth Proportional to 112,967,742.90, 169,374,255.60 and 57,528,262.79

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Solution

The fourth proportional to 112,967,742.90, 169,374,255.60 and 57,528,262.79 is: 86,252,999.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,967,742.90 : 169,374,255.60 = 57,528,262.79 : x
  2. Step 2: Convert to fraction form
    112,967,742.90/169,374,255.60 = 57,528,262.79/x
  3. Step 3: Cross multiply
    112,967,742.90x = 169,374,255.60 × 57,528,262.79
  4. Step 4: Simplify right side
    112,967,742.90x = 9,743,806,685,170,556
  5. Step 5: Solve for x
    x = 9,743,806,685,170,556/112,967,742.90
  6. Step 6: Final answer
    x = 86,252,999.62

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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.