Home / 63,148,137.12-87,144,428.16-34,174,761.12

Finding the Fourth Proportional to 63,148,137.12, 87,144,428.16 and 34,174,761.12

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Solution

The fourth proportional to 63,148,137.12, 87,144,428.16 and 34,174,761.12 is: 47,161,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,148,137.12 : 87,144,428.16 = 34,174,761.12 : x
  2. Step 2: Convert to fraction form
    63,148,137.12/87,144,428.16 = 34,174,761.12/x
  3. Step 3: Cross multiply
    63,148,137.12x = 87,144,428.16 × 34,174,761.12
  4. Step 4: Simplify right side
    63,148,137.12x = 2,978,140,015,307,001
  5. Step 5: Solve for x
    x = 2,978,140,015,307,001/63,148,137.12
  6. Step 6: Final answer
    x = 47,161,169.77

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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.