Home / 65,801,303.58-90,808,636.59-36,432,636.78

Finding the Fourth Proportional to 65,801,303.58, 90,808,636.59 and 36,432,636.78

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Solution

The fourth proportional to 65,801,303.58, 90,808,636.59 and 36,432,636.78 is: 50,278,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,801,303.58 : 90,808,636.59 = 36,432,636.78 : x
  2. Step 2: Convert to fraction form
    65,801,303.58/90,808,636.59 = 36,432,636.78/x
  3. Step 3: Cross multiply
    65,801,303.58x = 90,808,636.59 × 36,432,636.78
  4. Step 4: Simplify right side
    65,801,303.58x = 3,308,398,073,370,488
  5. Step 5: Solve for x
    x = 3,308,398,073,370,488/65,801,303.58
  6. Step 6: Final answer
    x = 50,278,609.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.