Home / 153,146,052.27-211,359,419.46-87,076,450.12

Finding the Fourth Proportional to 153,146,052.27, 211,359,419.46 and 87,076,450.12

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Solution

The fourth proportional to 153,146,052.27, 211,359,419.46 and 87,076,450.12 is: 120,175,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,146,052.27 : 211,359,419.46 = 87,076,450.12 : x
  2. Step 2: Convert to fraction form
    153,146,052.27/211,359,419.46 = 87,076,450.12/x
  3. Step 3: Cross multiply
    153,146,052.27x = 211,359,419.46 × 87,076,450.12
  4. Step 4: Simplify right side
    153,146,052.27x = 18,404,427,945,037,068
  5. Step 5: Solve for x
    x = 18,404,427,945,037,068/153,146,052.27
  6. Step 6: Final answer
    x = 120,175,660.24

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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.