Home / 219,308,661.40-328,962,992.10-176,261,940.40

Finding the Fourth Proportional to 219,308,661.40, 328,962,992.10 and 176,261,940.40

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Solution

The fourth proportional to 219,308,661.40, 328,962,992.10 and 176,261,940.40 is: 264,392,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,308,661.40 : 328,962,992.10 = 176,261,940.40 : x
  2. Step 2: Convert to fraction form
    219,308,661.40/328,962,992.10 = 176,261,940.40/x
  3. Step 3: Cross multiply
    219,308,661.40x = 328,962,992.10 × 176,261,940.40
  4. Step 4: Simplify right side
    219,308,661.40x = 57,983,655,307,335,880
  5. Step 5: Solve for x
    x = 57,983,655,307,335,880/219,308,661.40
  6. Step 6: Final answer
    x = 264,392,910.60

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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.