Home / 153,146,052.52-211,359,419.80-87,076,450.37

Finding the Fourth Proportional to 153,146,052.52, 211,359,419.80 and 87,076,450.37

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Solution

The fourth proportional to 153,146,052.52, 211,359,419.80 and 87,076,450.37 is: 120,175,660.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,146,052.52 : 211,359,419.80 = 87,076,450.37 : x
  2. Step 2: Convert to fraction form
    153,146,052.52/211,359,419.80 = 87,076,450.37/x
  3. Step 3: Cross multiply
    153,146,052.52x = 211,359,419.80 × 87,076,450.37
  4. Step 4: Simplify right side
    153,146,052.52x = 18,404,428,027,918,300
  5. Step 5: Solve for x
    x = 18,404,428,027,918,300/153,146,052.52
  6. Step 6: Final answer
    x = 120,175,660.59

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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.