Home / 45,756,718.56-68,644,532.16-13,409,679.60

Finding the Fourth Proportional to 45,756,718.56, 68,644,532.16 and 13,409,679.60

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Solution

The fourth proportional to 45,756,718.56, 68,644,532.16 and 13,409,679.60 is: 20,117,290.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,756,718.56 : 68,644,532.16 = 13,409,679.60 : x
  2. Step 2: Convert to fraction form
    45,756,718.56/68,644,532.16 = 13,409,679.60/x
  3. Step 3: Cross multiply
    45,756,718.56x = 68,644,532.16 × 13,409,679.60
  4. Step 4: Simplify right side
    45,756,718.56x = 920,501,182,557,495.88
  5. Step 5: Solve for x
    x = 920,501,182,557,495.88/45,756,718.56
  6. Step 6: Final answer
    x = 20,117,290.13

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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.