Home / 171,927,089.80-257,890,634.70-153,115,390.60

Finding the Fourth Proportional to 171,927,089.80, 257,890,634.70 and 153,115,390.60

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Solution

The fourth proportional to 171,927,089.80, 257,890,634.70 and 153,115,390.60 is: 229,673,085.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,927,089.80 : 257,890,634.70 = 153,115,390.60 : x
  2. Step 2: Convert to fraction form
    171,927,089.80/257,890,634.70 = 153,115,390.60/x
  3. Step 3: Cross multiply
    171,927,089.80x = 257,890,634.70 × 153,115,390.60
  4. Step 4: Simplify right side
    171,927,089.80x = 39,487,025,264,172,408
  5. Step 5: Solve for x
    x = 39,487,025,264,172,408/171,927,089.80
  6. Step 6: Final answer
    x = 229,673,085.90

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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.