Home / 66,968,529.88-100,401,701.02-30,551,452.32

Finding the Fourth Proportional to 66,968,529.88, 100,401,701.02 and 30,551,452.32

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Solution

The fourth proportional to 66,968,529.88, 100,401,701.02 and 30,551,452.32 is: 45,803,869.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,968,529.88 : 100,401,701.02 = 30,551,452.32 : x
  2. Step 2: Convert to fraction form
    66,968,529.88/100,401,701.02 = 30,551,452.32/x
  3. Step 3: Cross multiply
    66,968,529.88x = 100,401,701.02 × 30,551,452.32
  4. Step 4: Simplify right side
    66,968,529.88x = 3,067,417,781,559,425.50
  5. Step 5: Solve for x
    x = 3,067,417,781,559,425.50/66,968,529.88
  6. Step 6: Final answer
    x = 45,803,869.18

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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.