Home / 166,485,762.30-249,728,643.45-51,481,929.90

Finding the Fourth Proportional to 166,485,762.30, 249,728,643.45 and 51,481,929.90

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Solution

The fourth proportional to 166,485,762.30, 249,728,643.45 and 51,481,929.90 is: 77,222,894.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,485,762.30 : 249,728,643.45 = 51,481,929.90 : x
  2. Step 2: Convert to fraction form
    166,485,762.30/249,728,643.45 = 51,481,929.90/x
  3. Step 3: Cross multiply
    166,485,762.30x = 249,728,643.45 × 51,481,929.90
  4. Step 4: Simplify right side
    166,485,762.30x = 12,856,512,516,114,994
  5. Step 5: Solve for x
    x = 12,856,512,516,114,994/166,485,762.30
  6. Step 6: Final answer
    x = 77,222,894.85

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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.