Home / 138,067,556.04-207,047,511.86-51,758,869.50

Finding the Fourth Proportional to 138,067,556.04, 207,047,511.86 and 51,758,869.50

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Solution

The fourth proportional to 138,067,556.04, 207,047,511.86 and 51,758,869.50 is: 77,618,127.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,067,556.04 : 207,047,511.86 = 51,758,869.50 : x
  2. Step 2: Convert to fraction form
    138,067,556.04/207,047,511.86 = 51,758,869.50/x
  3. Step 3: Cross multiply
    138,067,556.04x = 207,047,511.86 × 51,758,869.50
  4. Step 4: Simplify right side
    138,067,556.04x = 10,716,545,146,402,648
  5. Step 5: Solve for x
    x = 10,716,545,146,402,648/138,067,556.04
  6. Step 6: Final answer
    x = 77,618,127.34

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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.