Home / 208,782,045.60-313,446,769.36-140,002,612.64

Finding the Fourth Proportional to 208,782,045.60, 313,446,769.36 and 140,002,612.64

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Solution

The fourth proportional to 208,782,045.60, 313,446,769.36 and 140,002,612.64 is: 210,187,454.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,782,045.60 : 313,446,769.36 = 140,002,612.64 : x
  2. Step 2: Convert to fraction form
    208,782,045.60/313,446,769.36 = 140,002,612.64/x
  3. Step 3: Cross multiply
    208,782,045.60x = 313,446,769.36 × 140,002,612.64
  4. Step 4: Simplify right side
    208,782,045.60x = 43,883,366,633,967,496
  5. Step 5: Solve for x
    x = 43,883,366,633,967,496/208,782,045.60
  6. Step 6: Final answer
    x = 210,187,454.14

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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.