Home / 91,008,136.73-136,511,381.72-28,759,461.29

Finding the Fourth Proportional to 91,008,136.73, 136,511,381.72 and 28,759,461.29

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Solution

The fourth proportional to 91,008,136.73, 136,511,381.72 and 28,759,461.29 is: 43,138,931.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,008,136.73 : 136,511,381.72 = 28,759,461.29 : x
  2. Step 2: Convert to fraction form
    91,008,136.73/136,511,381.72 = 28,759,461.29/x
  3. Step 3: Cross multiply
    91,008,136.73x = 136,511,381.72 × 28,759,461.29
  4. Step 4: Simplify right side
    91,008,136.73x = 3,925,993,798,220,753.50
  5. Step 5: Solve for x
    x = 3,925,993,798,220,753.50/91,008,136.73
  6. Step 6: Final answer
    x = 43,138,931.74

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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.