Home / 169,191,567.60-253,792,869.48-80,540,905.20

Finding the Fourth Proportional to 169,191,567.60, 253,792,869.48 and 80,540,905.20

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Solution

The fourth proportional to 169,191,567.60, 253,792,869.48 and 80,540,905.20 is: 120,813,984.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,191,567.60 : 253,792,869.48 = 80,540,905.20 : x
  2. Step 2: Convert to fraction form
    169,191,567.60/253,792,869.48 = 80,540,905.20/x
  3. Step 3: Cross multiply
    169,191,567.60x = 253,792,869.48 × 80,540,905.20
  4. Step 4: Simplify right side
    169,191,567.60x = 20,440,707,441,224,652
  5. Step 5: Solve for x
    x = 20,440,707,441,224,652/169,191,567.60
  6. Step 6: Final answer
    x = 120,813,984.59

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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.