Home / 98,770,169.40-136,311,203.98-54,730,982.36

Finding the Fourth Proportional to 98,770,169.40, 136,311,203.98 and 54,730,982.36

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Solution

The fourth proportional to 98,770,169.40, 136,311,203.98 and 54,730,982.36 is: 75,533,393.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,770,169.40 : 136,311,203.98 = 54,730,982.36 : x
  2. Step 2: Convert to fraction form
    98,770,169.40/136,311,203.98 = 54,730,982.36/x
  3. Step 3: Cross multiply
    98,770,169.40x = 136,311,203.98 × 54,730,982.36
  4. Step 4: Simplify right side
    98,770,169.40x = 7,460,446,100,499,741
  5. Step 5: Solve for x
    x = 7,460,446,100,499,741/98,770,169.40
  6. Step 6: Final answer
    x = 75,533,393.80

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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.