Home / 208,494,184.72-312,823,650.48-79,136,130.91

Finding the Fourth Proportional to 208,494,184.72, 312,823,650.48 and 79,136,130.91

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Solution

The fourth proportional to 208,494,184.72, 312,823,650.48 and 79,136,130.91 is: 118,735,462.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,494,184.72 : 312,823,650.48 = 79,136,130.91 : x
  2. Step 2: Convert to fraction form
    208,494,184.72/312,823,650.48 = 79,136,130.91/x
  3. Step 3: Cross multiply
    208,494,184.72x = 312,823,650.48 × 79,136,130.91
  4. Step 4: Simplify right side
    208,494,184.72x = 24,755,653,356,129,364
  5. Step 5: Solve for x
    x = 24,755,653,356,129,364/208,494,184.72
  6. Step 6: Final answer
    x = 118,735,462.04

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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.