Home / 166,485,904.80-249,728,857.20-51,482,072.40

Finding the Fourth Proportional to 166,485,904.80, 249,728,857.20 and 51,482,072.40

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Solution

The fourth proportional to 166,485,904.80, 249,728,857.20 and 51,482,072.40 is: 77,223,108.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,485,904.80 : 249,728,857.20 = 51,482,072.40 : x
  2. Step 2: Convert to fraction form
    166,485,904.80/249,728,857.20 = 51,482,072.40/x
  3. Step 3: Cross multiply
    166,485,904.80x = 249,728,857.20 × 51,482,072.40
  4. Step 4: Simplify right side
    166,485,904.80x = 12,856,559,106,739,660
  5. Step 5: Solve for x
    x = 12,856,559,106,739,660/166,485,904.80
  6. Step 6: Final answer
    x = 77,223,108.60

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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.