Home / 88,571,835.20-132,857,752.80-54,382,318.40

Finding the Fourth Proportional to 88,571,835.20, 132,857,752.80 and 54,382,318.40

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Solution

The fourth proportional to 88,571,835.20, 132,857,752.80 and 54,382,318.40 is: 81,573,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,571,835.20 : 132,857,752.80 = 54,382,318.40 : x
  2. Step 2: Convert to fraction form
    88,571,835.20/132,857,752.80 = 54,382,318.40/x
  3. Step 3: Cross multiply
    88,571,835.20x = 132,857,752.80 × 54,382,318.40
  4. Step 4: Simplify right side
    88,571,835.20x = 7,225,112,614,678,091
  5. Step 5: Solve for x
    x = 7,225,112,614,678,091/88,571,835.20
  6. Step 6: Final answer
    x = 81,573,477.60

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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.