Home / 231,969,996-320,110,400.52-127,547,336.16

Finding the Fourth Proportional to 231,969,996, 320,110,400.52 and 127,547,336.16

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Solution

The fourth proportional to 231,969,996, 320,110,400.52 and 127,547,336.16 is: 176,010,818.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,969,996 : 320,110,400.52 = 127,547,336.16 : x
  2. Step 2: Convert to fraction form
    231,969,996/320,110,400.52 = 127,547,336.16/x
  3. Step 3: Cross multiply
    231,969,996x = 320,110,400.52 × 127,547,336.16
  4. Step 4: Simplify right side
    231,969,996x = 40,829,228,863,436,672
  5. Step 5: Solve for x
    x = 40,829,228,863,436,672/231,969,996
  6. Step 6: Final answer
    x = 176,010,818.50

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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.