Home / 108,484,375.86-149,709,651.88-63,840,217.94

Finding the Fourth Proportional to 108,484,375.86, 149,709,651.88 and 63,840,217.94

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Solution

The fourth proportional to 108,484,375.86, 149,709,651.88 and 63,840,217.94 is: 88,100,214.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,484,375.86 : 149,709,651.88 = 63,840,217.94 : x
  2. Step 2: Convert to fraction form
    108,484,375.86/149,709,651.88 = 63,840,217.94/x
  3. Step 3: Cross multiply
    108,484,375.86x = 149,709,651.88 × 63,840,217.94
  4. Step 4: Simplify right side
    108,484,375.86x = 9,557,496,803,693,402
  5. Step 5: Solve for x
    x = 9,557,496,803,693,402/108,484,375.86
  6. Step 6: Final answer
    x = 88,100,214.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.