Home / 93,421,424.06-128,919,067.45-51,604,589.37

Finding the Fourth Proportional to 93,421,424.06, 128,919,067.45 and 51,604,589.37

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Solution

The fourth proportional to 93,421,424.06, 128,919,067.45 and 51,604,589.37 is: 71,212,953.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,421,424.06 : 128,919,067.45 = 51,604,589.37 : x
  2. Step 2: Convert to fraction form
    93,421,424.06/128,919,067.45 = 51,604,589.37/x
  3. Step 3: Cross multiply
    93,421,424.06x = 128,919,067.45 × 51,604,589.37
  4. Step 4: Simplify right side
    93,421,424.06x = 6,652,815,537,720,583
  5. Step 5: Solve for x
    x = 6,652,815,537,720,583/93,421,424.06
  6. Step 6: Final answer
    x = 71,212,953.61

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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.