Home / 108,889,427.80-163,334,141.70-54,469,869.40

Finding the Fourth Proportional to 108,889,427.80, 163,334,141.70 and 54,469,869.40

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Solution

The fourth proportional to 108,889,427.80, 163,334,141.70 and 54,469,869.40 is: 81,704,804.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,889,427.80 : 163,334,141.70 = 54,469,869.40 : x
  2. Step 2: Convert to fraction form
    108,889,427.80/163,334,141.70 = 54,469,869.40/x
  3. Step 3: Cross multiply
    108,889,427.80x = 163,334,141.70 × 54,469,869.40
  4. Step 4: Simplify right side
    108,889,427.80x = 8,896,789,366,960,093
  5. Step 5: Solve for x
    x = 8,896,789,366,960,093/108,889,427.80
  6. Step 6: Final answer
    x = 81,704,804.10

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1.5x scale

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.