Home / 118,675,817.40-178,045,218.90-41,990,849.40

Finding the Fourth Proportional to 118,675,817.40, 178,045,218.90 and 41,990,849.40

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Solution

The fourth proportional to 118,675,817.40, 178,045,218.90 and 41,990,849.40 is: 62,997,417.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,675,817.40 : 178,045,218.90 = 41,990,849.40 : x
  2. Step 2: Convert to fraction form
    118,675,817.40/178,045,218.90 = 41,990,849.40/x
  3. Step 3: Cross multiply
    118,675,817.40x = 178,045,218.90 × 41,990,849.40
  4. Step 4: Simplify right side
    118,675,817.40x = 7,476,269,973,219,934
  5. Step 5: Solve for x
    x = 7,476,269,973,219,934/118,675,817.40
  6. Step 6: Final answer
    x = 62,997,417.14

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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.