Home / 105,203,032.86-145,186,630.89-58,796,992.38

Finding the Fourth Proportional to 105,203,032.86, 145,186,630.89 and 58,796,992.38

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Solution

The fourth proportional to 105,203,032.86, 145,186,630.89 and 58,796,992.38 is: 81,143,451.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,203,032.86 : 145,186,630.89 = 58,796,992.38 : x
  2. Step 2: Convert to fraction form
    105,203,032.86/145,186,630.89 = 58,796,992.38/x
  3. Step 3: Cross multiply
    105,203,032.86x = 145,186,630.89 × 58,796,992.38
  4. Step 4: Simplify right side
    105,203,032.86x = 8,536,537,230,117,202
  5. Step 5: Solve for x
    x = 8,536,537,230,117,202/105,203,032.86
  6. Step 6: Final answer
    x = 81,143,451.84

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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.