Home / 166,478,332.98-249,219,969.39-100,700,406.26

Finding the Fourth Proportional to 166,478,332.98, 249,219,969.39 and 100,700,406.26

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Solution

The fourth proportional to 166,478,332.98, 249,219,969.39 and 100,700,406.26 is: 150,749,660.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,478,332.98 : 249,219,969.39 = 100,700,406.26 : x
  2. Step 2: Convert to fraction form
    166,478,332.98/249,219,969.39 = 100,700,406.26/x
  3. Step 3: Cross multiply
    166,478,332.98x = 249,219,969.39 × 100,700,406.26
  4. Step 4: Simplify right side
    166,478,332.98x = 25,096,552,165,677,764
  5. Step 5: Solve for x
    x = 25,096,552,165,677,764/166,478,332.98
  6. Step 6: Final answer
    x = 150,749,660.43

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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.