Home / 166,658,485.60-249,913,078.80-75,735,272.80

Finding the Fourth Proportional to 166,658,485.60, 249,913,078.80 and 75,735,272.80

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Solution

The fourth proportional to 166,658,485.60, 249,913,078.80 and 75,735,272.80 is: 113,568,985.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,658,485.60 : 249,913,078.80 = 75,735,272.80 : x
  2. Step 2: Convert to fraction form
    166,658,485.60/249,913,078.80 = 75,735,272.80/x
  3. Step 3: Cross multiply
    166,658,485.60x = 249,913,078.80 × 75,735,272.80
  4. Step 4: Simplify right side
    166,658,485.60x = 18,927,235,199,205,896
  5. Step 5: Solve for x
    x = 18,927,235,199,205,896/166,658,485.60
  6. Step 6: Final answer
    x = 113,568,985.89

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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.