Home / 108,809,989.80-163,214,984.70-102,574,415.40

Finding the Fourth Proportional to 108,809,989.80, 163,214,984.70 and 102,574,415.40

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Solution

The fourth proportional to 108,809,989.80, 163,214,984.70 and 102,574,415.40 is: 153,861,623.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,809,989.80 : 163,214,984.70 = 102,574,415.40 : x
  2. Step 2: Convert to fraction form
    108,809,989.80/163,214,984.70 = 102,574,415.40/x
  3. Step 3: Cross multiply
    108,809,989.80x = 163,214,984.70 × 102,574,415.40
  4. Step 4: Simplify right side
    108,809,989.80x = 16,741,681,640,122,444
  5. Step 5: Solve for x
    x = 16,741,681,640,122,444/108,809,989.80
  6. Step 6: Final answer
    x = 153,861,623.10

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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.