Home / 84,564,029.20-126,846,043.80-48,284,323.60

Finding the Fourth Proportional to 84,564,029.20, 126,846,043.80 and 48,284,323.60

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Solution

The fourth proportional to 84,564,029.20, 126,846,043.80 and 48,284,323.60 is: 72,426,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,564,029.20 : 126,846,043.80 = 48,284,323.60 : x
  2. Step 2: Convert to fraction form
    84,564,029.20/126,846,043.80 = 48,284,323.60/x
  3. Step 3: Cross multiply
    84,564,029.20x = 126,846,043.80 × 48,284,323.60
  4. Step 4: Simplify right side
    84,564,029.20x = 6,124,675,426,218,974
  5. Step 5: Solve for x
    x = 6,124,675,426,218,974/84,564,029.20
  6. Step 6: Final answer
    x = 72,426,485.40

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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.