Home / 74,708,685.31-111,833,185.49-48,745,080.58

Finding the Fourth Proportional to 74,708,685.31, 111,833,185.49 and 48,745,080.58

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Solution

The fourth proportional to 74,708,685.31, 111,833,185.49 and 48,745,080.58 is: 72,967,655.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,708,685.31 : 111,833,185.49 = 48,745,080.58 : x
  2. Step 2: Convert to fraction form
    74,708,685.31/111,833,185.49 = 48,745,080.58/x
  3. Step 3: Cross multiply
    74,708,685.31x = 111,833,185.49 × 48,745,080.58
  4. Step 4: Simplify right side
    74,708,685.31x = 5,451,317,637,668,971
  5. Step 5: Solve for x
    x = 5,451,317,637,668,971/74,708,685.31
  6. Step 6: Final answer
    x = 72,967,655.84

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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.