Home / 68,653,631.70-102,980,447.55-41,390,708.40

Finding the Fourth Proportional to 68,653,631.70, 102,980,447.55 and 41,390,708.40

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Solution

The fourth proportional to 68,653,631.70, 102,980,447.55 and 41,390,708.40 is: 62,086,062.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,653,631.70 : 102,980,447.55 = 41,390,708.40 : x
  2. Step 2: Convert to fraction form
    68,653,631.70/102,980,447.55 = 41,390,708.40/x
  3. Step 3: Cross multiply
    68,653,631.70x = 102,980,447.55 × 41,390,708.40
  4. Step 4: Simplify right side
    68,653,631.70x = 4,262,433,675,443,544
  5. Step 5: Solve for x
    x = 4,262,433,675,443,544/68,653,631.70
  6. Step 6: Final answer
    x = 62,086,062.60

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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.