Home / 259,004,939.80-388,498,424.10-64,918,053.40

Finding the Fourth Proportional to 259,004,939.80, 388,498,424.10 and 64,918,053.40

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Solution

The fourth proportional to 259,004,939.80, 388,498,424.10 and 64,918,053.40 is: 97,374,827.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,004,939.80 : 388,498,424.10 = 64,918,053.40 : x
  2. Step 2: Convert to fraction form
    259,004,939.80/388,498,424.10 = 64,918,053.40/x
  3. Step 3: Cross multiply
    259,004,939.80x = 388,498,424.10 × 64,918,053.40
  4. Step 4: Simplify right side
    259,004,939.80x = 25,220,561,441,539,648
  5. Step 5: Solve for x
    x = 25,220,561,441,539,648/259,004,939.80
  6. Step 6: Final answer
    x = 97,374,827.91

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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.