Home / 91,228,832.92-125,894,786.40-49,411,858

Finding the Fourth Proportional to 91,228,832.92, 125,894,786.40 and 49,411,858

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Solution

The fourth proportional to 91,228,832.92, 125,894,786.40 and 49,411,858 is: 68,187,820.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,228,832.92 : 125,894,786.40 = 49,411,858 : x
  2. Step 2: Convert to fraction form
    91,228,832.92/125,894,786.40 = 49,411,858/x
  3. Step 3: Cross multiply
    91,228,832.92x = 125,894,786.40 × 49,411,858
  4. Step 4: Simplify right side
    91,228,832.92x = 6,220,695,308,537,131
  5. Step 5: Solve for x
    x = 6,220,695,308,537,131/91,228,832.92
  6. Step 6: Final answer
    x = 68,187,820.77

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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.