Home / 108,808,681.80-163,213,022.70-102,573,107.40

Finding the Fourth Proportional to 108,808,681.80, 163,213,022.70 and 102,573,107.40

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Solution

The fourth proportional to 108,808,681.80, 163,213,022.70 and 102,573,107.40 is: 153,859,661.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,808,681.80 : 163,213,022.70 = 102,573,107.40 : x
  2. Step 2: Convert to fraction form
    108,808,681.80/163,213,022.70 = 102,573,107.40/x
  3. Step 3: Cross multiply
    108,808,681.80x = 163,213,022.70 × 102,573,107.40
  4. Step 4: Simplify right side
    108,808,681.80x = 16,741,266,906,485,738
  5. Step 5: Solve for x
    x = 16,741,266,906,485,738/108,808,681.80
  6. Step 6: Final answer
    x = 153,859,661.10

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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.