Home / 54,943,294.86-82,426,607.91-20,863,886.22

Finding the Fourth Proportional to 54,943,294.86, 82,426,607.91 and 20,863,886.22

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Solution

The fourth proportional to 54,943,294.86, 82,426,607.91 and 20,863,886.22 is: 31,300,259.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,943,294.86 : 82,426,607.91 = 20,863,886.22 : x
  2. Step 2: Convert to fraction form
    54,943,294.86/82,426,607.91 = 20,863,886.22/x
  3. Step 3: Cross multiply
    54,943,294.86x = 82,426,607.91 × 20,863,886.22
  4. Step 4: Simplify right side
    54,943,294.86x = 1,719,739,368,934,791.75
  5. Step 5: Solve for x
    x = 1,719,739,368,934,791.75/54,943,294.86
  6. Step 6: Final answer
    x = 31,300,259.17

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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.