Home / 74,705,998.14-112,080,655.53-30,978,637.38

Finding the Fourth Proportional to 74,705,998.14, 112,080,655.53 and 30,978,637.38

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Solution

The fourth proportional to 74,705,998.14, 112,080,655.53 and 30,978,637.38 is: 46,476,937.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,705,998.14 : 112,080,655.53 = 30,978,637.38 : x
  2. Step 2: Convert to fraction form
    74,705,998.14/112,080,655.53 = 30,978,637.38/x
  3. Step 3: Cross multiply
    74,705,998.14x = 112,080,655.53 × 30,978,637.38
  4. Step 4: Simplify right side
    74,705,998.14x = 3,472,105,984,976,561.50
  5. Step 5: Solve for x
    x = 3,472,105,984,976,561.50/74,705,998.14
  6. Step 6: Final answer
    x = 46,476,937.21

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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.