Home / 98,770,159.37-136,311,190.13-54,730,972.30

Finding the Fourth Proportional to 98,770,159.37, 136,311,190.13 and 54,730,972.30

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Solution

The fourth proportional to 98,770,159.37, 136,311,190.13 and 54,730,972.30 is: 75,533,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,770,159.37 : 136,311,190.13 = 54,730,972.30 : x
  2. Step 2: Convert to fraction form
    98,770,159.37/136,311,190.13 = 54,730,972.30/x
  3. Step 3: Cross multiply
    98,770,159.37x = 136,311,190.13 × 54,730,972.30
  4. Step 4: Simplify right side
    98,770,159.37x = 7,460,443,970,570,630
  5. Step 5: Solve for x
    x = 7,460,443,970,570,630/98,770,159.37
  6. Step 6: Final answer
    x = 75,533,379.90

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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.