Home / 257,493,689.84-355,330,479.48-145,992,033.60

Finding the Fourth Proportional to 257,493,689.84, 355,330,479.48 and 145,992,033.60

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Solution

The fourth proportional to 257,493,689.84, 355,330,479.48 and 145,992,033.60 is: 201,462,875.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,493,689.84 : 355,330,479.48 = 145,992,033.60 : x
  2. Step 2: Convert to fraction form
    257,493,689.84/355,330,479.48 = 145,992,033.60/x
  3. Step 3: Cross multiply
    257,493,689.84x = 355,330,479.48 × 145,992,033.60
  4. Step 4: Simplify right side
    257,493,689.84x = 51,875,419,299,348,272
  5. Step 5: Solve for x
    x = 51,875,419,299,348,272/257,493,689.84
  6. Step 6: Final answer
    x = 201,462,875.97

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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.