Home / 126,029,137.80-189,043,706.70-118,376,387.40

Finding the Fourth Proportional to 126,029,137.80, 189,043,706.70 and 118,376,387.40

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Solution

The fourth proportional to 126,029,137.80, 189,043,706.70 and 118,376,387.40 is: 177,564,581.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,029,137.80 : 189,043,706.70 = 118,376,387.40 : x
  2. Step 2: Convert to fraction form
    126,029,137.80/189,043,706.70 = 118,376,387.40/x
  3. Step 3: Cross multiply
    126,029,137.80x = 189,043,706.70 × 118,376,387.40
  4. Step 4: Simplify right side
    126,029,137.80x = 22,378,311,059,851,176
  5. Step 5: Solve for x
    x = 22,378,311,059,851,176/126,029,137.80
  6. Step 6: Final answer
    x = 177,564,581.10

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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.