Home / 118,675,678.40-178,045,010.40-41,990,710.40

Finding the Fourth Proportional to 118,675,678.40, 178,045,010.40 and 41,990,710.40

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Solution

The fourth proportional to 118,675,678.40, 178,045,010.40 and 41,990,710.40 is: 62,997,208.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,675,678.40 : 178,045,010.40 = 41,990,710.40 : x
  2. Step 2: Convert to fraction form
    118,675,678.40/178,045,010.40 = 41,990,710.40/x
  3. Step 3: Cross multiply
    118,675,678.40x = 178,045,010.40 × 41,990,710.40
  4. Step 4: Simplify right side
    118,675,678.40x = 7,476,236,469,871,388
  5. Step 5: Solve for x
    x = 7,476,236,469,871,388/118,675,678.40
  6. Step 6: Final answer
    x = 62,997,208.62

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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.