Home / 188,070,903.50-282,128,790.78-90,956,828.30

Finding the Fourth Proportional to 188,070,903.50, 282,128,790.78 and 90,956,828.30

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Solution

The fourth proportional to 188,070,903.50, 282,128,790.78 and 90,956,828.30 is: 136,446,092.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,070,903.50 : 282,128,790.78 = 90,956,828.30 : x
  2. Step 2: Convert to fraction form
    188,070,903.50/282,128,790.78 = 90,956,828.30/x
  3. Step 3: Cross multiply
    188,070,903.50x = 282,128,790.78 × 90,956,828.30
  4. Step 4: Simplify right side
    188,070,903.50x = 25,661,539,980,052,436
  5. Step 5: Solve for x
    x = 25,661,539,980,052,436/188,070,903.50
  6. Step 6: Final answer
    x = 136,446,092.95

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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.