Home / 104,916,400.72-144,784,772.48-57,872,413

Finding the Fourth Proportional to 104,916,400.72, 144,784,772.48 and 57,872,413

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Solution

The fourth proportional to 104,916,400.72, 144,784,772.48 and 57,872,413 is: 79,864,006.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,916,400.72 : 144,784,772.48 = 57,872,413 : x
  2. Step 2: Convert to fraction form
    104,916,400.72/144,784,772.48 = 57,872,413/x
  3. Step 3: Cross multiply
    104,916,400.72x = 144,784,772.48 × 57,872,413
  4. Step 4: Simplify right side
    104,916,400.72x = 8,379,044,149,073,594
  5. Step 5: Solve for x
    x = 8,379,044,149,073,594/104,916,400.72
  6. Step 6: Final answer
    x = 79,864,006.88

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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.