Home / 140,091,920.40-209,571,010.20-123,085,808.40

Finding the Fourth Proportional to 140,091,920.40, 209,571,010.20 and 123,085,808.40

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Solution

The fourth proportional to 140,091,920.40, 209,571,010.20 and 123,085,808.40 is: 184,130,656.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,091,920.40 : 209,571,010.20 = 123,085,808.40 : x
  2. Step 2: Convert to fraction form
    140,091,920.40/209,571,010.20 = 123,085,808.40/x
  3. Step 3: Cross multiply
    140,091,920.40x = 209,571,010.20 × 123,085,808.40
  4. Step 4: Simplify right side
    140,091,920.40x = 25,795,217,207,671,644
  5. Step 5: Solve for x
    x = 25,795,217,207,671,644/140,091,920.40
  6. Step 6: Final answer
    x = 184,130,656.03

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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.