Home / 78,423,498.94-108,247,219.53-52,317,952.37

Finding the Fourth Proportional to 78,423,498.94, 108,247,219.53 and 52,317,952.37

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Solution

The fourth proportional to 78,423,498.94, 108,247,219.53 and 52,317,952.37 is: 72,213,978.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,423,498.94 : 108,247,219.53 = 52,317,952.37 : x
  2. Step 2: Convert to fraction form
    78,423,498.94/108,247,219.53 = 52,317,952.37/x
  3. Step 3: Cross multiply
    78,423,498.94x = 108,247,219.53 × 52,317,952.37
  4. Step 4: Simplify right side
    78,423,498.94x = 5,663,272,875,555,474
  5. Step 5: Solve for x
    x = 5,663,272,875,555,474/78,423,498.94
  6. Step 6: Final answer
    x = 72,213,978.62

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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.