Home / 75,698,458.80-113,546,048.76-21,109,587.72

Finding the Fourth Proportional to 75,698,458.80, 113,546,048.76 and 21,109,587.72

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Solution

The fourth proportional to 75,698,458.80, 113,546,048.76 and 21,109,587.72 is: 31,663,924.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,698,458.80 : 113,546,048.76 = 21,109,587.72 : x
  2. Step 2: Convert to fraction form
    75,698,458.80/113,546,048.76 = 21,109,587.72/x
  3. Step 3: Cross multiply
    75,698,458.80x = 113,546,048.76 × 21,109,587.72
  4. Step 4: Simplify right side
    75,698,458.80x = 2,396,910,276,558,617
  5. Step 5: Solve for x
    x = 2,396,910,276,558,617/75,698,458.80
  6. Step 6: Final answer
    x = 31,663,924.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.