Home / 342,144,001.70-513,216,002.55-189,088,993.70

Finding the Fourth Proportional to 342,144,001.70, 513,216,002.55 and 189,088,993.70

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Solution

The fourth proportional to 342,144,001.70, 513,216,002.55 and 189,088,993.70 is: 283,633,490.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,144,001.70 : 513,216,002.55 = 189,088,993.70 : x
  2. Step 2: Convert to fraction form
    342,144,001.70/513,216,002.55 = 189,088,993.70/x
  3. Step 3: Cross multiply
    342,144,001.70x = 513,216,002.55 × 189,088,993.70
  4. Step 4: Simplify right side
    342,144,001.70x = 97,043,497,472,916,128
  5. Step 5: Solve for x
    x = 97,043,497,472,916,128/342,144,001.70
  6. Step 6: Final answer
    x = 283,633,490.55

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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.