Home / 108,810,080.80-163,215,121.20-102,574,506.40

Finding the Fourth Proportional to 108,810,080.80, 163,215,121.20 and 102,574,506.40

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Solution

The fourth proportional to 108,810,080.80, 163,215,121.20 and 102,574,506.40 is: 153,861,759.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,810,080.80 : 163,215,121.20 = 102,574,506.40 : x
  2. Step 2: Convert to fraction form
    108,810,080.80/163,215,121.20 = 102,574,506.40/x
  3. Step 3: Cross multiply
    108,810,080.80x = 163,215,121.20 × 102,574,506.40
  4. Step 4: Simplify right side
    108,810,080.80x = 16,741,710,494,106,176
  5. Step 5: Solve for x
    x = 16,741,710,494,106,176/108,810,080.80
  6. Step 6: Final answer
    x = 153,861,759.60

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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.