Home / 98,172,006.40-147,258,009.60-33,548,780.80

Finding the Fourth Proportional to 98,172,006.40, 147,258,009.60 and 33,548,780.80

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Solution

The fourth proportional to 98,172,006.40, 147,258,009.60 and 33,548,780.80 is: 50,323,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,172,006.40 : 147,258,009.60 = 33,548,780.80 : x
  2. Step 2: Convert to fraction form
    98,172,006.40/147,258,009.60 = 33,548,780.80/x
  3. Step 3: Cross multiply
    98,172,006.40x = 147,258,009.60 × 33,548,780.80
  4. Step 4: Simplify right side
    98,172,006.40x = 4,940,326,685,114,696
  5. Step 5: Solve for x
    x = 4,940,326,685,114,696/98,172,006.40
  6. Step 6: Final answer
    x = 50,323,171.20

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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.