Home / 89,821,518.40-134,732,277.60-61,123,704.40

Finding the Fourth Proportional to 89,821,518.40, 134,732,277.60 and 61,123,704.40

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Solution

The fourth proportional to 89,821,518.40, 134,732,277.60 and 61,123,704.40 is: 91,685,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,821,518.40 : 134,732,277.60 = 61,123,704.40 : x
  2. Step 2: Convert to fraction form
    89,821,518.40/134,732,277.60 = 61,123,704.40/x
  3. Step 3: Cross multiply
    89,821,518.40x = 134,732,277.60 × 61,123,704.40
  4. Step 4: Simplify right side
    89,821,518.40x = 8,235,335,909,161,141
  5. Step 5: Solve for x
    x = 8,235,335,909,161,141/89,821,518.40
  6. Step 6: Final answer
    x = 91,685,556.60

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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.