Home / 111,213,447.40-166,820,171.10-38,406,030.40

Finding the Fourth Proportional to 111,213,447.40, 166,820,171.10 and 38,406,030.40

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Solution

The fourth proportional to 111,213,447.40, 166,820,171.10 and 38,406,030.40 is: 57,609,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,213,447.40 : 166,820,171.10 = 38,406,030.40 : x
  2. Step 2: Convert to fraction form
    111,213,447.40/166,820,171.10 = 38,406,030.40/x
  3. Step 3: Cross multiply
    111,213,447.40x = 166,820,171.10 × 38,406,030.40
  4. Step 4: Simplify right side
    111,213,447.40x = 6,406,900,562,599,801
  5. Step 5: Solve for x
    x = 6,406,900,562,599,801/111,213,447.40
  6. Step 6: Final answer
    x = 57,609,045.60

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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.