Home / 100,401,235.60-150,665,549.68-42,893,939.28

Finding the Fourth Proportional to 100,401,235.60, 150,665,549.68 and 42,893,939.28

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Solution

The fourth proportional to 100,401,235.60, 150,665,549.68 and 42,893,939.28 is: 64,368,121.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,401,235.60 : 150,665,549.68 = 42,893,939.28 : x
  2. Step 2: Convert to fraction form
    100,401,235.60/150,665,549.68 = 42,893,939.28/x
  3. Step 3: Cross multiply
    100,401,235.60x = 150,665,549.68 × 42,893,939.28
  4. Step 4: Simplify right side
    100,401,235.60x = 6,462,638,939,561,744
  5. Step 5: Solve for x
    x = 6,462,638,939,561,744/100,401,235.60
  6. Step 6: Final answer
    x = 64,368,121.58

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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.