Home / 165,804,540.60-248,704,478.10-74,927,983.80

Finding the Fourth Proportional to 165,804,540.60, 248,704,478.10 and 74,927,983.80

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Solution

The fourth proportional to 165,804,540.60, 248,704,478.10 and 74,927,983.80 is: 112,390,921.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,804,540.60 : 248,704,478.10 = 74,927,983.80 : x
  2. Step 2: Convert to fraction form
    165,804,540.60/248,704,478.10 = 74,927,983.80/x
  3. Step 3: Cross multiply
    165,804,540.60x = 248,704,478.10 × 74,927,983.80
  4. Step 4: Simplify right side
    165,804,540.60x = 18,634,925,106,064,252
  5. Step 5: Solve for x
    x = 18,634,925,106,064,252/165,804,540.60
  6. Step 6: Final answer
    x = 112,390,921.49

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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.