Home / 209,953,015.30-314,929,522.95-188,789,853.70

Finding the Fourth Proportional to 209,953,015.30, 314,929,522.95 and 188,789,853.70

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Solution

The fourth proportional to 209,953,015.30, 314,929,522.95 and 188,789,853.70 is: 283,184,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,015.30 : 314,929,522.95 = 188,789,853.70 : x
  2. Step 2: Convert to fraction form
    209,953,015.30/314,929,522.95 = 188,789,853.70/x
  3. Step 3: Cross multiply
    209,953,015.30x = 314,929,522.95 × 188,789,853.70
  4. Step 4: Simplify right side
    209,953,015.30x = 59,455,498,563,541,288
  5. Step 5: Solve for x
    x = 59,455,498,563,541,288/209,953,015.30
  6. Step 6: Final answer
    x = 283,184,780.55

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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.