Home / 165,804,564.35-248,704,513.72-74,928,007.55

Finding the Fourth Proportional to 165,804,564.35, 248,704,513.72 and 74,928,007.55

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Solution

The fourth proportional to 165,804,564.35, 248,704,513.72 and 74,928,007.55 is: 112,390,957.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,804,564.35 : 248,704,513.72 = 74,928,007.55 : x
  2. Step 2: Convert to fraction form
    165,804,564.35/248,704,513.72 = 74,928,007.55/x
  3. Step 3: Cross multiply
    165,804,564.35x = 248,704,513.72 × 74,928,007.55
  4. Step 4: Simplify right side
    165,804,564.35x = 18,634,933,681,731,236
  5. Step 5: Solve for x
    x = 18,634,933,681,731,236/165,804,564.35
  6. Step 6: Final answer
    x = 112,390,957.12

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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.