Home / 102,809,697.58-141,876,542.93-55,766,653.29

Finding the Fourth Proportional to 102,809,697.58, 141,876,542.93 and 55,766,653.29

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Solution

The fourth proportional to 102,809,697.58, 141,876,542.93 and 55,766,653.29 is: 76,957,526.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,809,697.58 : 141,876,542.93 = 55,766,653.29 : x
  2. Step 2: Convert to fraction form
    102,809,697.58/141,876,542.93 = 55,766,653.29/x
  3. Step 3: Cross multiply
    102,809,697.58x = 141,876,542.93 × 55,766,653.29
  4. Step 4: Simplify right side
    102,809,697.58x = 7,911,979,979,668,748
  5. Step 5: Solve for x
    x = 7,911,979,979,668,748/102,809,697.58
  6. Step 6: Final answer
    x = 76,957,526.05

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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.