Home / 295,189,971.90-442,973,914.65-172,368,051.90

Finding the Fourth Proportional to 295,189,971.90, 442,973,914.65 and 172,368,051.90

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Solution

The fourth proportional to 295,189,971.90, 442,973,914.65 and 172,368,051.90 is: 258,662,413.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,189,971.90 : 442,973,914.65 = 172,368,051.90 : x
  2. Step 2: Convert to fraction form
    295,189,971.90/442,973,914.65 = 172,368,051.90/x
  3. Step 3: Cross multiply
    295,189,971.90x = 442,973,914.65 × 172,368,051.90
  4. Step 4: Simplify right side
    295,189,971.90x = 76,354,550,710,737,376
  5. Step 5: Solve for x
    x = 76,354,550,710,737,376/295,189,971.90
  6. Step 6: Final answer
    x = 258,662,413.97

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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.