Home / 67,428,842.11-93,051,802.23-36,489,011.38

Finding the Fourth Proportional to 67,428,842.11, 93,051,802.23 and 36,489,011.38

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Solution

The fourth proportional to 67,428,842.11, 93,051,802.23 and 36,489,011.38 is: 50,354,835.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,428,842.11 : 93,051,802.23 = 36,489,011.38 : x
  2. Step 2: Convert to fraction form
    67,428,842.11/93,051,802.23 = 36,489,011.38/x
  3. Step 3: Cross multiply
    67,428,842.11x = 93,051,802.23 × 36,489,011.38
  4. Step 4: Simplify right side
    67,428,842.11x = 3,395,368,270,499,980
  5. Step 5: Solve for x
    x = 3,395,368,270,499,980/67,428,842.11
  6. Step 6: Final answer
    x = 50,354,835.77

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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.