Home / 145,445,180.72-218,168,018.96-116,483,220.88

Finding the Fourth Proportional to 145,445,180.72, 218,168,018.96 and 116,483,220.88

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Solution

The fourth proportional to 145,445,180.72, 218,168,018.96 and 116,483,220.88 is: 174,725,029.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,445,180.72 : 218,168,018.96 = 116,483,220.88 : x
  2. Step 2: Convert to fraction form
    145,445,180.72/218,168,018.96 = 116,483,220.88/x
  3. Step 3: Cross multiply
    145,445,180.72x = 218,168,018.96 × 116,483,220.88
  4. Step 4: Simplify right side
    145,445,180.72x = 25,412,913,541,469,708
  5. Step 5: Solve for x
    x = 25,412,913,541,469,708/145,445,180.72
  6. Step 6: Final answer
    x = 174,725,029.84

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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.