Home / 435,089,091.09-652,651,646.59-128,381,203.97

Finding the Fourth Proportional to 435,089,091.09, 652,651,646.59 and 128,381,203.97

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Solution

The fourth proportional to 435,089,091.09, 652,651,646.59 and 128,381,203.97 is: 192,577,120.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,089,091.09 : 652,651,646.59 = 128,381,203.97 : x
  2. Step 2: Convert to fraction form
    435,089,091.09/652,651,646.59 = 128,381,203.97/x
  3. Step 3: Cross multiply
    435,089,091.09x = 652,651,646.59 × 128,381,203.97
  4. Step 4: Simplify right side
    435,089,091.09x = 83,788,204,160,846,448
  5. Step 5: Solve for x
    x = 83,788,204,160,846,448/435,089,091.09
  6. Step 6: Final answer
    x = 192,577,120.13

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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.