Home / 100,401,211.53-150,665,513.67-42,893,915.31

Finding the Fourth Proportional to 100,401,211.53, 150,665,513.67 and 42,893,915.31

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Solution

The fourth proportional to 100,401,211.53, 150,665,513.67 and 42,893,915.31 is: 64,368,085.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,401,211.53 : 150,665,513.67 = 42,893,915.31 : x
  2. Step 2: Convert to fraction form
    100,401,211.53/150,665,513.67 = 42,893,915.31/x
  3. Step 3: Cross multiply
    100,401,211.53x = 150,665,513.67 × 42,893,915.31
  4. Step 4: Simplify right side
    100,401,211.53x = 6,462,633,783,498,627
  5. Step 5: Solve for x
    x = 6,462,633,783,498,627/100,401,211.53
  6. Step 6: Final answer
    x = 64,368,085.65

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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.