Home / 89,856,009.80-134,784,014.70-87,336,585.80

Finding the Fourth Proportional to 89,856,009.80, 134,784,014.70 and 87,336,585.80

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Solution

The fourth proportional to 89,856,009.80, 134,784,014.70 and 87,336,585.80 is: 131,004,878.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,856,009.80 : 134,784,014.70 = 87,336,585.80 : x
  2. Step 2: Convert to fraction form
    89,856,009.80/134,784,014.70 = 87,336,585.80/x
  3. Step 3: Cross multiply
    89,856,009.80x = 134,784,014.70 × 87,336,585.80
  4. Step 4: Simplify right side
    89,856,009.80x = 11,771,575,664,315,010
  5. Step 5: Solve for x
    x = 11,771,575,664,315,010/89,856,009.80
  6. Step 6: Final answer
    x = 131,004,878.70

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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.