Home / 185,837,638.82-278,738,294.78-56,446,372.58

Finding the Fourth Proportional to 185,837,638.82, 278,738,294.78 and 56,446,372.58

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Solution

The fourth proportional to 185,837,638.82, 278,738,294.78 and 56,446,372.58 is: 84,664,041.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,837,638.82 : 278,738,294.78 = 56,446,372.58 : x
  2. Step 2: Convert to fraction form
    185,837,638.82/278,738,294.78 = 56,446,372.58/x
  3. Step 3: Cross multiply
    185,837,638.82x = 278,738,294.78 × 56,446,372.58
  4. Step 4: Simplify right side
    185,837,638.82x = 15,733,765,639,465,748
  5. Step 5: Solve for x
    x = 15,733,765,639,465,748/185,837,638.82
  6. Step 6: Final answer
    x = 84,664,041.90

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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.