Home / 55,690,317.09-76,851,479.43-30,909,050.12

Finding the Fourth Proportional to 55,690,317.09, 76,851,479.43 and 30,909,050.12

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Solution

The fourth proportional to 55,690,317.09, 76,851,479.43 and 30,909,050.12 is: 42,653,846.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,690,317.09 : 76,851,479.43 = 30,909,050.12 : x
  2. Step 2: Convert to fraction form
    55,690,317.09/76,851,479.43 = 30,909,050.12/x
  3. Step 3: Cross multiply
    55,690,317.09x = 76,851,479.43 × 30,909,050.12
  4. Step 4: Simplify right side
    55,690,317.09x = 2,375,406,229,690,148
  5. Step 5: Solve for x
    x = 2,375,406,229,690,148/55,690,317.09
  6. Step 6: Final answer
    x = 42,653,846.37

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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.