Home / 153,146,052.33-211,359,419.54-87,076,450.18

Finding the Fourth Proportional to 153,146,052.33, 211,359,419.54 and 87,076,450.18

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Solution

The fourth proportional to 153,146,052.33, 211,359,419.54 and 87,076,450.18 is: 120,175,660.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,146,052.33 : 211,359,419.54 = 87,076,450.18 : x
  2. Step 2: Convert to fraction form
    153,146,052.33/211,359,419.54 = 87,076,450.18/x
  3. Step 3: Cross multiply
    153,146,052.33x = 211,359,419.54 × 87,076,450.18
  4. Step 4: Simplify right side
    153,146,052.33x = 18,404,427,966,130,420
  5. Step 5: Solve for x
    x = 18,404,427,966,130,420/153,146,052.33
  6. Step 6: Final answer
    x = 120,175,660.33

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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.