Home / 166,168,786.95-249,030,379.80-129,325,165.22

Finding the Fourth Proportional to 166,168,786.95, 249,030,379.80 and 129,325,165.22

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Solution

The fourth proportional to 166,168,786.95, 249,030,379.80 and 129,325,165.22 is: 193,814,347.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,168,786.95 : 249,030,379.80 = 129,325,165.22 : x
  2. Step 2: Convert to fraction form
    166,168,786.95/249,030,379.80 = 129,325,165.22/x
  3. Step 3: Cross multiply
    166,168,786.95x = 249,030,379.80 × 129,325,165.22
  4. Step 4: Simplify right side
    166,168,786.95x = 32,205,895,013,056,928
  5. Step 5: Solve for x
    x = 32,205,895,013,056,928/166,168,786.95
  6. Step 6: Final answer
    x = 193,814,347.47

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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.