Home / 56,086,543.10-84,129,814.65-53,441,147.90

Finding the Fourth Proportional to 56,086,543.10, 84,129,814.65 and 53,441,147.90

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Solution

The fourth proportional to 56,086,543.10, 84,129,814.65 and 53,441,147.90 is: 80,161,721.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,086,543.10 : 84,129,814.65 = 53,441,147.90 : x
  2. Step 2: Convert to fraction form
    56,086,543.10/84,129,814.65 = 53,441,147.90/x
  3. Step 3: Cross multiply
    56,086,543.10x = 84,129,814.65 × 53,441,147.90
  4. Step 4: Simplify right side
    56,086,543.10x = 4,495,993,867,510,237
  5. Step 5: Solve for x
    x = 4,495,993,867,510,237/56,086,543.10
  6. Step 6: Final answer
    x = 80,161,721.85

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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.