Home / 105,205,119.07-145,187,548.04-58,795,371.63

Finding the Fourth Proportional to 105,205,119.07, 145,187,548.04 and 58,795,371.63

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Solution

The fourth proportional to 105,205,119.07, 145,187,548.04 and 58,795,371.63 is: 81,140,118.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,205,119.07 : 145,187,548.04 = 58,795,371.63 : x
  2. Step 2: Convert to fraction form
    105,205,119.07/145,187,548.04 = 58,795,371.63/x
  3. Step 3: Cross multiply
    105,205,119.07x = 145,187,548.04 × 58,795,371.63
  4. Step 4: Simplify right side
    105,205,119.07x = 8,536,355,842,040,363
  5. Step 5: Solve for x
    x = 8,536,355,842,040,363/105,205,119.07
  6. Step 6: Final answer
    x = 81,140,118.63

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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.