Home / 66,069,139.80-99,103,709.70-52,464,250.20

Finding the Fourth Proportional to 66,069,139.80, 99,103,709.70 and 52,464,250.20

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Solution

The fourth proportional to 66,069,139.80, 99,103,709.70 and 52,464,250.20 is: 78,696,375.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,069,139.80 : 99,103,709.70 = 52,464,250.20 : x
  2. Step 2: Convert to fraction form
    66,069,139.80/99,103,709.70 = 52,464,250.20/x
  3. Step 3: Cross multiply
    66,069,139.80x = 99,103,709.70 × 52,464,250.20
  4. Step 4: Simplify right side
    66,069,139.80x = 5,199,401,821,448,967
  5. Step 5: Solve for x
    x = 5,199,401,821,448,967/66,069,139.80
  6. Step 6: Final answer
    x = 78,696,375.30

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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.