Home / 245,599,889.15-339,080,805.34-156,342,195.77

Finding the Fourth Proportional to 245,599,889.15, 339,080,805.34 and 156,342,195.77

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Solution

The fourth proportional to 245,599,889.15, 339,080,805.34 and 156,342,195.77 is: 215,849,599.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,599,889.15 : 339,080,805.34 = 156,342,195.77 : x
  2. Step 2: Convert to fraction form
    245,599,889.15/339,080,805.34 = 156,342,195.77/x
  3. Step 3: Cross multiply
    245,599,889.15x = 339,080,805.34 × 156,342,195.77
  4. Step 4: Simplify right side
    245,599,889.15x = 53,012,637,649,533,832
  5. Step 5: Solve for x
    x = 53,012,637,649,533,832/245,599,889.15
  6. Step 6: Final answer
    x = 215,849,599.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.