Home / 206,148,284.81-309,369,957.44-74,990,306.76

Finding the Fourth Proportional to 206,148,284.81, 309,369,957.44 and 74,990,306.76

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Solution

The fourth proportional to 206,148,284.81, 309,369,957.44 and 74,990,306.76 is: 112,539,127.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,148,284.81 : 309,369,957.44 = 74,990,306.76 : x
  2. Step 2: Convert to fraction form
    206,148,284.81/309,369,957.44 = 74,990,306.76/x
  3. Step 3: Cross multiply
    206,148,284.81x = 309,369,957.44 × 74,990,306.76
  4. Step 4: Simplify right side
    206,148,284.81x = 23,199,748,010,753,744
  5. Step 5: Solve for x
    x = 23,199,748,010,753,744/206,148,284.81
  6. Step 6: Final answer
    x = 112,539,127.03

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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.