Home / 104,637,614.40-156,672,986.40-81,962,798.40

Finding the Fourth Proportional to 104,637,614.40, 156,672,986.40 and 81,962,798.40

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Solution

The fourth proportional to 104,637,614.40, 156,672,986.40 and 81,962,798.40 is: 122,722,182.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,637,614.40 : 156,672,986.40 = 81,962,798.40 : x
  2. Step 2: Convert to fraction form
    104,637,614.40/156,672,986.40 = 81,962,798.40/x
  3. Step 3: Cross multiply
    104,637,614.40x = 156,672,986.40 × 81,962,798.40
  4. Step 4: Simplify right side
    104,637,614.40x = 12,841,356,399,029,144
  5. Step 5: Solve for x
    x = 12,841,356,399,029,144/104,637,614.40
  6. Step 6: Final answer
    x = 122,722,182.39

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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.