Home / 114,939,863.06-172,307,289.08-42,139,679.55

Finding the Fourth Proportional to 114,939,863.06, 172,307,289.08 and 42,139,679.55

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Solution

The fourth proportional to 114,939,863.06, 172,307,289.08 and 42,139,679.55 is: 63,171,938.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,939,863.06 : 172,307,289.08 = 42,139,679.55 : x
  2. Step 2: Convert to fraction form
    114,939,863.06/172,307,289.08 = 42,139,679.55/x
  3. Step 3: Cross multiply
    114,939,863.06x = 172,307,289.08 × 42,139,679.55
  4. Step 4: Simplify right side
    114,939,863.06x = 7,260,973,945,749,715
  5. Step 5: Solve for x
    x = 7,260,973,945,749,715/114,939,863.06
  6. Step 6: Final answer
    x = 63,171,938.38

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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.