Home / 71,007,642.80-106,511,464.20-56,658,735.80

Finding the Fourth Proportional to 71,007,642.80, 106,511,464.20 and 56,658,735.80

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Solution

The fourth proportional to 71,007,642.80, 106,511,464.20 and 56,658,735.80 is: 84,988,103.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,007,642.80 : 106,511,464.20 = 56,658,735.80 : x
  2. Step 2: Convert to fraction form
    71,007,642.80/106,511,464.20 = 56,658,735.80/x
  3. Step 3: Cross multiply
    71,007,642.80x = 106,511,464.20 × 56,658,735.80
  4. Step 4: Simplify right side
    71,007,642.80x = 6,034,804,909,778,958
  5. Step 5: Solve for x
    x = 6,034,804,909,778,958/71,007,642.80
  6. Step 6: Final answer
    x = 84,988,103.70

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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.