Home / 258,049,649.10-387,074,473.65-96,470,589.90

Finding the Fourth Proportional to 258,049,649.10, 387,074,473.65 and 96,470,589.90

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Solution

The fourth proportional to 258,049,649.10, 387,074,473.65 and 96,470,589.90 is: 144,705,884.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,049,649.10 : 387,074,473.65 = 96,470,589.90 : x
  2. Step 2: Convert to fraction form
    258,049,649.10/387,074,473.65 = 96,470,589.90/x
  3. Step 3: Cross multiply
    258,049,649.10x = 387,074,473.65 × 96,470,589.90
  4. Step 4: Simplify right side
    258,049,649.10x = 37,341,302,808,247,504
  5. Step 5: Solve for x
    x = 37,341,302,808,247,504/258,049,649.10
  6. Step 6: Final answer
    x = 144,705,884.85

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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.