Home / 43,671,330.90-65,506,996.35-20,940,527.70

Finding the Fourth Proportional to 43,671,330.90, 65,506,996.35 and 20,940,527.70

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Solution

The fourth proportional to 43,671,330.90, 65,506,996.35 and 20,940,527.70 is: 31,410,791.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,671,330.90 : 65,506,996.35 = 20,940,527.70 : x
  2. Step 2: Convert to fraction form
    43,671,330.90/65,506,996.35 = 20,940,527.70/x
  3. Step 3: Cross multiply
    43,671,330.90x = 65,506,996.35 × 20,940,527.70
  4. Step 4: Simplify right side
    43,671,330.90x = 1,371,751,071,610,974
  5. Step 5: Solve for x
    x = 1,371,751,071,610,974/43,671,330.90
  6. Step 6: Final answer
    x = 31,410,791.55

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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.