Home / 51,403,820.43-70,936,920.53-27,882,262.51

Finding the Fourth Proportional to 51,403,820.43, 70,936,920.53 and 27,882,262.51

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Solution

The fourth proportional to 51,403,820.43, 70,936,920.53 and 27,882,262.51 is: 38,477,331.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,403,820.43 : 70,936,920.53 = 27,882,262.51 : x
  2. Step 2: Convert to fraction form
    51,403,820.43/70,936,920.53 = 27,882,262.51/x
  3. Step 3: Cross multiply
    51,403,820.43x = 70,936,920.53 × 27,882,262.51
  4. Step 4: Simplify right side
    51,403,820.43x = 1,977,881,839,868,468.50
  5. Step 5: Solve for x
    x = 1,977,881,839,868,468.50/51,403,820.43
  6. Step 6: Final answer
    x = 38,477,331.52

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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.