Home / 315,561,877.85-435,467,037.97-176,333,783.69

Finding the Fourth Proportional to 315,561,877.85, 435,467,037.97 and 176,333,783.69

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Solution

The fourth proportional to 315,561,877.85, 435,467,037.97 and 176,333,783.69 is: 243,335,953.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,561,877.85 : 435,467,037.97 = 176,333,783.69 : x
  2. Step 2: Convert to fraction form
    315,561,877.85/435,467,037.97 = 176,333,783.69/x
  3. Step 3: Cross multiply
    315,561,877.85x = 435,467,037.97 × 176,333,783.69
  4. Step 4: Simplify right side
    315,561,877.85x = 76,787,550,478,836,080
  5. Step 5: Solve for x
    x = 76,787,550,478,836,080/315,561,877.85
  6. Step 6: Final answer
    x = 243,335,953.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.