Home / 134,752,485.40-202,128,728.10-54,031,384.60

Finding the Fourth Proportional to 134,752,485.40, 202,128,728.10 and 54,031,384.60

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Solution

The fourth proportional to 134,752,485.40, 202,128,728.10 and 54,031,384.60 is: 81,047,076.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,752,485.40 : 202,128,728.10 = 54,031,384.60 : x
  2. Step 2: Convert to fraction form
    134,752,485.40/202,128,728.10 = 54,031,384.60/x
  3. Step 3: Cross multiply
    134,752,485.40x = 202,128,728.10 × 54,031,384.60
  4. Step 4: Simplify right side
    134,752,485.40x = 10,921,295,046,679,928
  5. Step 5: Solve for x
    x = 10,921,295,046,679,928/134,752,485.40
  6. Step 6: Final answer
    x = 81,047,076.90

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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.