Home / 140,091,920.90-209,571,010.95-123,085,808.90

Finding the Fourth Proportional to 140,091,920.90, 209,571,010.95 and 123,085,808.90

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Solution

The fourth proportional to 140,091,920.90, 209,571,010.95 and 123,085,808.90 is: 184,130,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,091,920.90 : 209,571,010.95 = 123,085,808.90 : x
  2. Step 2: Convert to fraction form
    140,091,920.90/209,571,010.95 = 123,085,808.90/x
  3. Step 3: Cross multiply
    140,091,920.90x = 209,571,010.95 × 123,085,808.90
  4. Step 4: Simplify right side
    140,091,920.90x = 25,795,217,404,771,508
  5. Step 5: Solve for x
    x = 25,795,217,404,771,508/140,091,920.90
  6. Step 6: Final answer
    x = 184,130,656.78

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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.