Home / 118,662,540.84-178,021,571.58-36,777,139.56

Finding the Fourth Proportional to 118,662,540.84, 178,021,571.58 and 36,777,139.56

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Solution

The fourth proportional to 118,662,540.84, 178,021,571.58 and 36,777,139.56 is: 55,174,313.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,662,540.84 : 178,021,571.58 = 36,777,139.56 : x
  2. Step 2: Convert to fraction form
    118,662,540.84/178,021,571.58 = 36,777,139.56/x
  3. Step 3: Cross multiply
    118,662,540.84x = 178,021,571.58 × 36,777,139.56
  4. Step 4: Simplify right side
    118,662,540.84x = 6,547,124,182,688,191
  5. Step 5: Solve for x
    x = 6,547,124,182,688,191/118,662,540.84
  6. Step 6: Final answer
    x = 55,174,313.11

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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.