Home / 155,337,247.59-214,369,946.40-84,777,383.45

Finding the Fourth Proportional to 155,337,247.59, 214,369,946.40 and 84,777,383.45

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Solution

The fourth proportional to 155,337,247.59, 214,369,946.40 and 84,777,383.45 is: 116,995,269.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,337,247.59 : 214,369,946.40 = 84,777,383.45 : x
  2. Step 2: Convert to fraction form
    155,337,247.59/214,369,946.40 = 84,777,383.45/x
  3. Step 3: Cross multiply
    155,337,247.59x = 214,369,946.40 × 84,777,383.45
  4. Step 4: Simplify right side
    155,337,247.59x = 18,173,723,145,036,896
  5. Step 5: Solve for x
    x = 18,173,723,145,036,896/155,337,247.59
  6. Step 6: Final answer
    x = 116,995,269.50

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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.