Home / 166,103,014.85-249,243,756.20-69,125,581.25

Finding the Fourth Proportional to 166,103,014.85, 249,243,756.20 and 69,125,581.25

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Solution

The fourth proportional to 166,103,014.85, 249,243,756.20 and 69,125,581.25 is: 103,725,507.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,103,014.85 : 249,243,756.20 = 69,125,581.25 : x
  2. Step 2: Convert to fraction form
    166,103,014.85/249,243,756.20 = 69,125,581.25/x
  3. Step 3: Cross multiply
    166,103,014.85x = 249,243,756.20 × 69,125,581.25
  4. Step 4: Simplify right side
    166,103,014.85x = 17,229,119,519,912,662
  5. Step 5: Solve for x
    x = 17,229,119,519,912,662/166,103,014.85
  6. Step 6: Final answer
    x = 103,725,507.54

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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.