Home / 257,553,277.20-386,329,915.80-155,264,662.80

Finding the Fourth Proportional to 257,553,277.20, 386,329,915.80 and 155,264,662.80

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Solution

The fourth proportional to 257,553,277.20, 386,329,915.80 and 155,264,662.80 is: 232,896,994.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,553,277.20 : 386,329,915.80 = 155,264,662.80 : x
  2. Step 2: Convert to fraction form
    257,553,277.20/386,329,915.80 = 155,264,662.80/x
  3. Step 3: Cross multiply
    257,553,277.20x = 386,329,915.80 × 155,264,662.80
  4. Step 4: Simplify right side
    257,553,277.20x = 59,983,384,106,239,400
  5. Step 5: Solve for x
    x = 59,983,384,106,239,400/257,553,277.20
  6. Step 6: Final answer
    x = 232,896,994.20

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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.