Home / 68,835,688.79-103,223,233.67-36,480,010.68

Finding the Fourth Proportional to 68,835,688.79, 103,223,233.67 and 36,480,010.68

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Solution

The fourth proportional to 68,835,688.79, 103,223,233.67 and 36,480,010.68 is: 54,703,958.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,835,688.79 : 103,223,233.67 = 36,480,010.68 : x
  2. Step 2: Convert to fraction form
    68,835,688.79/103,223,233.67 = 36,480,010.68/x
  3. Step 3: Cross multiply
    68,835,688.79x = 103,223,233.67 × 36,480,010.68
  4. Step 4: Simplify right side
    68,835,688.79x = 3,765,584,666,523,336
  5. Step 5: Solve for x
    x = 3,765,584,666,523,336/68,835,688.79
  6. Step 6: Final answer
    x = 54,703,958.56

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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.