Home / 108,809,976.80-163,214,965.20-102,574,402.40

Finding the Fourth Proportional to 108,809,976.80, 163,214,965.20 and 102,574,402.40

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Solution

The fourth proportional to 108,809,976.80, 163,214,965.20 and 102,574,402.40 is: 153,861,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,809,976.80 : 163,214,965.20 = 102,574,402.40 : x
  2. Step 2: Convert to fraction form
    108,809,976.80/163,214,965.20 = 102,574,402.40/x
  3. Step 3: Cross multiply
    108,809,976.80x = 163,214,965.20 × 102,574,402.40
  4. Step 4: Simplify right side
    108,809,976.80x = 16,741,677,518,126,796
  5. Step 5: Solve for x
    x = 16,741,677,518,126,796/108,809,976.80
  6. Step 6: Final answer
    x = 153,861,603.60

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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.