Home / 55,020,607.08-75,929,226.84-30,243,087.78

Finding the Fourth Proportional to 55,020,607.08, 75,929,226.84 and 30,243,087.78

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Solution

The fourth proportional to 55,020,607.08, 75,929,226.84 and 30,243,087.78 is: 41,735,894.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,020,607.08 : 75,929,226.84 = 30,243,087.78 : x
  2. Step 2: Convert to fraction form
    55,020,607.08/75,929,226.84 = 30,243,087.78/x
  3. Step 3: Cross multiply
    55,020,607.08x = 75,929,226.84 × 30,243,087.78
  4. Step 4: Simplify right side
    55,020,607.08x = 2,296,334,272,389,652
  5. Step 5: Solve for x
    x = 2,296,334,272,389,652/55,020,607.08
  6. Step 6: Final answer
    x = 41,735,894.86

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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.