Home / 295,190,039.40-442,974,015.90-172,368,119.40

Finding the Fourth Proportional to 295,190,039.40, 442,974,015.90 and 172,368,119.40

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Solution

The fourth proportional to 295,190,039.40, 442,974,015.90 and 172,368,119.40 is: 258,662,515.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,190,039.40 : 442,974,015.90 = 172,368,119.40 : x
  2. Step 2: Convert to fraction form
    295,190,039.40/442,974,015.90 = 172,368,119.40/x
  3. Step 3: Cross multiply
    295,190,039.40x = 442,974,015.90 × 172,368,119.40
  4. Step 4: Simplify right side
    295,190,039.40x = 76,354,598,063,748,704
  5. Step 5: Solve for x
    x = 76,354,598,063,748,704/295,190,039.40
  6. Step 6: Final answer
    x = 258,662,515.24

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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.