Home / 89,176,288.60-133,605,000.60-76,421,704.60

Finding the Fourth Proportional to 89,176,288.60, 133,605,000.60 and 76,421,704.60

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Solution

The fourth proportional to 89,176,288.60, 133,605,000.60 and 76,421,704.60 is: 114,495,927.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,176,288.60 : 133,605,000.60 = 76,421,704.60 : x
  2. Step 2: Convert to fraction form
    89,176,288.60/133,605,000.60 = 76,421,704.60/x
  3. Step 3: Cross multiply
    89,176,288.60x = 133,605,000.60 × 76,421,704.60
  4. Step 4: Simplify right side
    89,176,288.60x = 10,210,321,888,936,022
  5. Step 5: Solve for x
    x = 10,210,321,888,936,022/89,176,288.60
  6. Step 6: Final answer
    x = 114,495,927.66

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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.