Home / 55,333,905.60-83,000,858.40-54,578,078.40

Finding the Fourth Proportional to 55,333,905.60, 83,000,858.40 and 54,578,078.40

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Solution

The fourth proportional to 55,333,905.60, 83,000,858.40 and 54,578,078.40 is: 81,867,117.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,333,905.60 : 83,000,858.40 = 54,578,078.40 : x
  2. Step 2: Convert to fraction form
    55,333,905.60/83,000,858.40 = 54,578,078.40/x
  3. Step 3: Cross multiply
    55,333,905.60x = 83,000,858.40 × 54,578,078.40
  4. Step 4: Simplify right side
    55,333,905.60x = 4,530,027,357,022,499
  5. Step 5: Solve for x
    x = 4,530,027,357,022,499/55,333,905.60
  6. Step 6: Final answer
    x = 81,867,117.60

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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.