Home / 165,804,582.60-248,704,541.10-74,928,025.80

Finding the Fourth Proportional to 165,804,582.60, 248,704,541.10 and 74,928,025.80

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Solution

The fourth proportional to 165,804,582.60, 248,704,541.10 and 74,928,025.80 is: 112,390,984.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,804,582.60 : 248,704,541.10 = 74,928,025.80 : x
  2. Step 2: Convert to fraction form
    165,804,582.60/248,704,541.10 = 74,928,025.80/x
  3. Step 3: Cross multiply
    165,804,582.60x = 248,704,541.10 × 74,928,025.80
  4. Step 4: Simplify right side
    165,804,582.60x = 18,634,940,272,117,960
  5. Step 5: Solve for x
    x = 18,634,940,272,117,960/165,804,582.60
  6. Step 6: Final answer
    x = 112,390,984.49

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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.