Home / 166,478,332.48-249,219,968.64-100,700,405.76

Finding the Fourth Proportional to 166,478,332.48, 249,219,968.64 and 100,700,405.76

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Solution

The fourth proportional to 166,478,332.48, 249,219,968.64 and 100,700,405.76 is: 150,749,659.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,478,332.48 : 249,219,968.64 = 100,700,405.76 : x
  2. Step 2: Convert to fraction form
    166,478,332.48/249,219,968.64 = 100,700,405.76/x
  3. Step 3: Cross multiply
    166,478,332.48x = 249,219,968.64 × 100,700,405.76
  4. Step 4: Simplify right side
    166,478,332.48x = 25,096,551,965,542,476
  5. Step 5: Solve for x
    x = 25,096,551,965,542,476/166,478,332.48
  6. Step 6: Final answer
    x = 150,749,659.68

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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.