Home / 103,784,246.80-155,676,370.20-65,614,973.20

Finding the Fourth Proportional to 103,784,246.80, 155,676,370.20 and 65,614,973.20

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Solution

The fourth proportional to 103,784,246.80, 155,676,370.20 and 65,614,973.20 is: 98,422,459.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,784,246.80 : 155,676,370.20 = 65,614,973.20 : x
  2. Step 2: Convert to fraction form
    103,784,246.80/155,676,370.20 = 65,614,973.20/x
  3. Step 3: Cross multiply
    103,784,246.80x = 155,676,370.20 × 65,614,973.20
  4. Step 4: Simplify right side
    103,784,246.80x = 10,214,700,858,546,278
  5. Step 5: Solve for x
    x = 10,214,700,858,546,278/103,784,246.80
  6. Step 6: Final answer
    x = 98,422,459.80

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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.