Home / 87,366,912.40-131,050,368.60-53,354,688.40

Finding the Fourth Proportional to 87,366,912.40, 131,050,368.60 and 53,354,688.40

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Solution

The fourth proportional to 87,366,912.40, 131,050,368.60 and 53,354,688.40 is: 80,032,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,366,912.40 : 131,050,368.60 = 53,354,688.40 : x
  2. Step 2: Convert to fraction form
    87,366,912.40/131,050,368.60 = 53,354,688.40/x
  3. Step 3: Cross multiply
    87,366,912.40x = 131,050,368.60 × 53,354,688.40
  4. Step 4: Simplify right side
    87,366,912.40x = 6,992,151,581,358,144
  5. Step 5: Solve for x
    x = 6,992,151,581,358,144/87,366,912.40
  6. Step 6: Final answer
    x = 80,032,032.60

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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.