Home / 204,996,909.40-307,495,364.10-189,213,111.70

Finding the Fourth Proportional to 204,996,909.40, 307,495,364.10 and 189,213,111.70

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Solution

The fourth proportional to 204,996,909.40, 307,495,364.10 and 189,213,111.70 is: 283,819,667.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,996,909.40 : 307,495,364.10 = 189,213,111.70 : x
  2. Step 2: Convert to fraction form
    204,996,909.40/307,495,364.10 = 189,213,111.70/x
  3. Step 3: Cross multiply
    204,996,909.40x = 307,495,364.10 × 189,213,111.70
  4. Step 4: Simplify right side
    204,996,909.40x = 58,182,154,674,685,472
  5. Step 5: Solve for x
    x = 58,182,154,674,685,472/204,996,909.40
  6. Step 6: Final answer
    x = 283,819,667.55

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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.