Home / 53,428,390.47-73,731,451.50-30,223,019.21

Finding the Fourth Proportional to 53,428,390.47, 73,731,451.50 and 30,223,019.21

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Solution

The fourth proportional to 53,428,390.47, 73,731,451.50 and 30,223,019.21 is: 41,707,920.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,428,390.47 : 73,731,451.50 = 30,223,019.21 : x
  2. Step 2: Convert to fraction form
    53,428,390.47/73,731,451.50 = 30,223,019.21/x
  3. Step 3: Cross multiply
    53,428,390.47x = 73,731,451.50 × 30,223,019.21
  4. Step 4: Simplify right side
    53,428,390.47x = 2,228,387,074,697,026
  5. Step 5: Solve for x
    x = 2,228,387,074,697,026/53,428,390.47
  6. Step 6: Final answer
    x = 41,707,920.73

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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.