Home / 66,734,139.10-100,101,208.65-52,401,415.90

Finding the Fourth Proportional to 66,734,139.10, 100,101,208.65 and 52,401,415.90

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Solution

The fourth proportional to 66,734,139.10, 100,101,208.65 and 52,401,415.90 is: 78,602,123.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,734,139.10 : 100,101,208.65 = 52,401,415.90 : x
  2. Step 2: Convert to fraction form
    66,734,139.10/100,101,208.65 = 52,401,415.90/x
  3. Step 3: Cross multiply
    66,734,139.10x = 100,101,208.65 × 52,401,415.90
  4. Step 4: Simplify right side
    66,734,139.10x = 5,245,445,066,561,328
  5. Step 5: Solve for x
    x = 5,245,445,066,561,328/66,734,139.10
  6. Step 6: Final answer
    x = 78,602,123.85

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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.