Home / 55,439,552.22-76,507,089.75-30,658,458.66

Finding the Fourth Proportional to 55,439,552.22, 76,507,089.75 and 30,658,458.66

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Solution

The fourth proportional to 55,439,552.22, 76,507,089.75 and 30,658,458.66 is: 42,308,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,439,552.22 : 76,507,089.75 = 30,658,458.66 : x
  2. Step 2: Convert to fraction form
    55,439,552.22/76,507,089.75 = 30,658,458.66/x
  3. Step 3: Cross multiply
    55,439,552.22x = 76,507,089.75 × 30,658,458.66
  4. Step 4: Simplify right side
    55,439,552.22x = 2,345,589,448,297,284.50
  5. Step 5: Solve for x
    x = 2,345,589,448,297,284.50/55,439,552.22
  6. Step 6: Final answer
    x = 42,308,953.70

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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.