Home / 111,103,658.31-166,655,011.47-28,106,196.38

Finding the Fourth Proportional to 111,103,658.31, 166,655,011.47 and 28,106,196.38

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Solution

The fourth proportional to 111,103,658.31, 166,655,011.47 and 28,106,196.38 is: 42,159,174.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,103,658.31 : 166,655,011.47 = 28,106,196.38 : x
  2. Step 2: Convert to fraction form
    111,103,658.31/166,655,011.47 = 28,106,196.38/x
  3. Step 3: Cross multiply
    111,103,658.31x = 166,655,011.47 × 28,106,196.38
  4. Step 4: Simplify right side
    111,103,658.31x = 4,684,038,480,086,972
  5. Step 5: Solve for x
    x = 4,684,038,480,086,972/111,103,658.31
  6. Step 6: Final answer
    x = 42,159,174.16

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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.