Home / 79,743,646.89-110,046,215.75-43,074,218.25

Finding the Fourth Proportional to 79,743,646.89, 110,046,215.75 and 43,074,218.25

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Solution

The fourth proportional to 79,743,646.89, 110,046,215.75 and 43,074,218.25 is: 59,442,412.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,743,646.89 : 110,046,215.75 = 43,074,218.25 : x
  2. Step 2: Convert to fraction form
    79,743,646.89/110,046,215.75 = 43,074,218.25/x
  3. Step 3: Cross multiply
    79,743,646.89x = 110,046,215.75 × 43,074,218.25
  4. Step 4: Simplify right side
    79,743,646.89x = 4,740,154,714,586,717
  5. Step 5: Solve for x
    x = 4,740,154,714,586,717/79,743,646.89
  6. Step 6: Final answer
    x = 59,442,412.02

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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.