Home / 166,455,819.60-249,683,729.40-45,287,271.60

Finding the Fourth Proportional to 166,455,819.60, 249,683,729.40 and 45,287,271.60

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Solution

The fourth proportional to 166,455,819.60, 249,683,729.40 and 45,287,271.60 is: 67,930,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,455,819.60 : 249,683,729.40 = 45,287,271.60 : x
  2. Step 2: Convert to fraction form
    166,455,819.60/249,683,729.40 = 45,287,271.60/x
  3. Step 3: Cross multiply
    166,455,819.60x = 249,683,729.40 × 45,287,271.60
  4. Step 4: Simplify right side
    166,455,819.60x = 11,307,494,867,438,706
  5. Step 5: Solve for x
    x = 11,307,494,867,438,706/166,455,819.60
  6. Step 6: Final answer
    x = 67,930,907.40

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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.