Home / 168,517,961.10-252,776,941.65-103,611,300.30

Finding the Fourth Proportional to 168,517,961.10, 252,776,941.65 and 103,611,300.30

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Solution

The fourth proportional to 168,517,961.10, 252,776,941.65 and 103,611,300.30 is: 155,416,950.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,517,961.10 : 252,776,941.65 = 103,611,300.30 : x
  2. Step 2: Convert to fraction form
    168,517,961.10/252,776,941.65 = 103,611,300.30/x
  3. Step 3: Cross multiply
    168,517,961.10x = 252,776,941.65 × 103,611,300.30
  4. Step 4: Simplify right side
    168,517,961.10x = 26,190,547,610,213,728
  5. Step 5: Solve for x
    x = 26,190,547,610,213,728/168,517,961.10
  6. Step 6: Final answer
    x = 155,416,950.45

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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.