Home / 99,830,611.20-149,745,916.80-46,082,899.20

Finding the Fourth Proportional to 99,830,611.20, 149,745,916.80 and 46,082,899.20

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Solution

The fourth proportional to 99,830,611.20, 149,745,916.80 and 46,082,899.20 is: 69,124,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,830,611.20 : 149,745,916.80 = 46,082,899.20 : x
  2. Step 2: Convert to fraction form
    99,830,611.20/149,745,916.80 = 46,082,899.20/x
  3. Step 3: Cross multiply
    99,830,611.20x = 149,745,916.80 × 46,082,899.20
  4. Step 4: Simplify right side
    99,830,611.20x = 6,900,725,989,505,988
  5. Step 5: Solve for x
    x = 6,900,725,989,505,988/99,830,611.20
  6. Step 6: Final answer
    x = 69,124,348.80

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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.