Home / 98,770,168.40-136,311,202.60-54,730,981.36

Finding the Fourth Proportional to 98,770,168.40, 136,311,202.60 and 54,730,981.36

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Solution

The fourth proportional to 98,770,168.40, 136,311,202.60 and 54,730,981.36 is: 75,533,392.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,770,168.40 : 136,311,202.60 = 54,730,981.36 : x
  2. Step 2: Convert to fraction form
    98,770,168.40/136,311,202.60 = 54,730,981.36/x
  3. Step 3: Cross multiply
    98,770,168.40x = 136,311,202.60 × 54,730,981.36
  4. Step 4: Simplify right side
    98,770,168.40x = 7,460,445,888,659,783
  5. Step 5: Solve for x
    x = 7,460,445,888,659,783/98,770,168.40
  6. Step 6: Final answer
    x = 75,533,392.42

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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.