Home / 68,657,136.30-103,153,666.05-51,651,024.30

Finding the Fourth Proportional to 68,657,136.30, 103,153,666.05 and 51,651,024.30

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Solution

The fourth proportional to 68,657,136.30, 103,153,666.05 and 51,651,024.30 is: 77,602,894.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,657,136.30 : 103,153,666.05 = 51,651,024.30 : x
  2. Step 2: Convert to fraction form
    68,657,136.30/103,153,666.05 = 51,651,024.30/x
  3. Step 3: Cross multiply
    68,657,136.30x = 103,153,666.05 × 51,651,024.30
  4. Step 4: Simplify right side
    68,657,136.30x = 5,327,992,511,782,635
  5. Step 5: Solve for x
    x = 5,327,992,511,782,635/68,657,136.30
  6. Step 6: Final answer
    x = 77,602,894.60

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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.