Home / 96,347,342.40-144,521,013.60-31,661,131.20

Finding the Fourth Proportional to 96,347,342.40, 144,521,013.60 and 31,661,131.20

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Solution

The fourth proportional to 96,347,342.40, 144,521,013.60 and 31,661,131.20 is: 47,491,696.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,347,342.40 : 144,521,013.60 = 31,661,131.20 : x
  2. Step 2: Convert to fraction form
    96,347,342.40/144,521,013.60 = 31,661,131.20/x
  3. Step 3: Cross multiply
    96,347,342.40x = 144,521,013.60 × 31,661,131.20
  4. Step 4: Simplify right side
    96,347,342.40x = 4,575,698,772,746,584
  5. Step 5: Solve for x
    x = 4,575,698,772,746,584/96,347,342.40
  6. Step 6: Final answer
    x = 47,491,696.80

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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.