Home / 126,859,342.20-190,289,013.30-88,595,590.20

Finding the Fourth Proportional to 126,859,342.20, 190,289,013.30 and 88,595,590.20

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Solution

The fourth proportional to 126,859,342.20, 190,289,013.30 and 88,595,590.20 is: 132,893,385.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,859,342.20 : 190,289,013.30 = 88,595,590.20 : x
  2. Step 2: Convert to fraction form
    126,859,342.20/190,289,013.30 = 88,595,590.20/x
  3. Step 3: Cross multiply
    126,859,342.20x = 190,289,013.30 × 88,595,590.20
  4. Step 4: Simplify right side
    126,859,342.20x = 16,858,767,441,889,152
  5. Step 5: Solve for x
    x = 16,858,767,441,889,152/126,859,342.20
  6. Step 6: Final answer
    x = 132,893,385.30

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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.