Home / 66,113,019.90-99,183,526.65-20,051,106.30

Finding the Fourth Proportional to 66,113,019.90, 99,183,526.65 and 20,051,106.30

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Solution

The fourth proportional to 66,113,019.90, 99,183,526.65 and 20,051,106.30 is: 30,080,904.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,113,019.90 : 99,183,526.65 = 20,051,106.30 : x
  2. Step 2: Convert to fraction form
    66,113,019.90/99,183,526.65 = 20,051,106.30/x
  3. Step 3: Cross multiply
    66,113,019.90x = 99,183,526.65 × 20,051,106.30
  4. Step 4: Simplify right side
    66,113,019.90x = 1,988,739,436,068,033
  5. Step 5: Solve for x
    x = 1,988,739,436,068,033/66,113,019.90
  6. Step 6: Final answer
    x = 30,080,904.47

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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.