Home / 259,004,943.30-388,498,429.35-64,918,056.90

Finding the Fourth Proportional to 259,004,943.30, 388,498,429.35 and 64,918,056.90

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Solution

The fourth proportional to 259,004,943.30, 388,498,429.35 and 64,918,056.90 is: 97,374,833.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,004,943.30 : 388,498,429.35 = 64,918,056.90 : x
  2. Step 2: Convert to fraction form
    259,004,943.30/388,498,429.35 = 64,918,056.90/x
  3. Step 3: Cross multiply
    259,004,943.30x = 388,498,429.35 × 64,918,056.90
  4. Step 4: Simplify right side
    259,004,943.30x = 25,220,563,142,103,932
  5. Step 5: Solve for x
    x = 25,220,563,142,103,932/259,004,943.30
  6. Step 6: Final answer
    x = 97,374,833.16

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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.