Home / 361,363,440.04-542,056,855.04-172,028,431.20

Finding the Fourth Proportional to 361,363,440.04, 542,056,855.04 and 172,028,431.20

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Solution

The fourth proportional to 361,363,440.04, 542,056,855.04 and 172,028,431.20 is: 258,048,214.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,363,440.04 : 542,056,855.04 = 172,028,431.20 : x
  2. Step 2: Convert to fraction form
    361,363,440.04/542,056,855.04 = 172,028,431.20/x
  3. Step 3: Cross multiply
    361,363,440.04x = 542,056,855.04 × 172,028,431.20
  4. Step 4: Simplify right side
    361,363,440.04x = 93,249,190,393,737,008
  5. Step 5: Solve for x
    x = 93,249,190,393,737,008/361,363,440.04
  6. Step 6: Final answer
    x = 258,048,214.24

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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.