Home / 111,213,443.40-166,820,165.10-38,406,026.40

Finding the Fourth Proportional to 111,213,443.40, 166,820,165.10 and 38,406,026.40

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Solution

The fourth proportional to 111,213,443.40, 166,820,165.10 and 38,406,026.40 is: 57,609,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,213,443.40 : 166,820,165.10 = 38,406,026.40 : x
  2. Step 2: Convert to fraction form
    111,213,443.40/166,820,165.10 = 38,406,026.40/x
  3. Step 3: Cross multiply
    111,213,443.40x = 166,820,165.10 × 38,406,026.40
  4. Step 4: Simplify right side
    111,213,443.40x = 6,406,899,664,882,958
  5. Step 5: Solve for x
    x = 6,406,899,664,882,958/111,213,443.40
  6. Step 6: Final answer
    x = 57,609,039.60

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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.