Home / 206,874,090.42-310,356,547.47-61,318,878.90

Finding the Fourth Proportional to 206,874,090.42, 310,356,547.47 and 61,318,878.90

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Solution

The fourth proportional to 206,874,090.42, 310,356,547.47 and 61,318,878.90 is: 91,991,778.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,874,090.42 : 310,356,547.47 = 61,318,878.90 : x
  2. Step 2: Convert to fraction form
    206,874,090.42/310,356,547.47 = 61,318,878.90/x
  3. Step 3: Cross multiply
    206,874,090.42x = 310,356,547.47 × 61,318,878.90
  4. Step 4: Simplify right side
    206,874,090.42x = 19,030,715,550,135,032
  5. Step 5: Solve for x
    x = 19,030,715,550,135,032/206,874,090.42
  6. Step 6: Final answer
    x = 91,991,778.73

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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.