Home / 145,184,285.76-200,311,333.17-86,399,825.28

Finding the Fourth Proportional to 145,184,285.76, 200,311,333.17 and 86,399,825.28

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Solution

The fourth proportional to 145,184,285.76, 200,311,333.17 and 86,399,825.28 is: 119,206,180.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,184,285.76 : 200,311,333.17 = 86,399,825.28 : x
  2. Step 2: Convert to fraction form
    145,184,285.76/200,311,333.17 = 86,399,825.28/x
  3. Step 3: Cross multiply
    145,184,285.76x = 200,311,333.17 × 86,399,825.28
  4. Step 4: Simplify right side
    145,184,285.76x = 17,306,864,187,491,868
  5. Step 5: Solve for x
    x = 17,306,864,187,491,868/145,184,285.76
  6. Step 6: Final answer
    x = 119,206,180.59

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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.