Home / 66,113,025.40-99,183,534.90-20,051,111.80

Finding the Fourth Proportional to 66,113,025.40, 99,183,534.90 and 20,051,111.80

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Solution

The fourth proportional to 66,113,025.40, 99,183,534.90 and 20,051,111.80 is: 30,080,912.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,113,025.40 : 99,183,534.90 = 20,051,111.80 : x
  2. Step 2: Convert to fraction form
    66,113,025.40/99,183,534.90 = 20,051,111.80/x
  3. Step 3: Cross multiply
    66,113,025.40x = 99,183,534.90 × 20,051,111.80
  4. Step 4: Simplify right side
    66,113,025.40x = 1,988,740,146,999,102
  5. Step 5: Solve for x
    x = 1,988,740,146,999,102/66,113,025.40
  6. Step 6: Final answer
    x = 30,080,912.72

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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.