Home / 55,427,339,983.20-83,141,009,974.80-54,325,343,925.60

Finding the Fourth Proportional to 55,427,339,983.20, 83,141,009,974.80 and 54,325,343,925.60

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Solution

The fourth proportional to 55,427,339,983.20, 83,141,009,974.80 and 54,325,343,925.60 is: 81,488,015,888.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,427,339,983.20 : 83,141,009,974.80 = 54,325,343,925.60 : x
  2. Step 2: Convert to fraction form
    55,427,339,983.20/83,141,009,974.80 = 54,325,343,925.60/x
  3. Step 3: Cross multiply
    55,427,339,983.20x = 83,141,009,974.80 × 54,325,343,925.60
  4. Step 4: Simplify right side
    55,427,339,983.20x = 4,516,663,961,202,750,128,128
  5. Step 5: Solve for x
    x = 4,516,663,961,202,750,128,128/55,427,339,983.20
  6. Step 6: Final answer
    x = 81,488,015,888.40

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1.5x scale

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.