Home / 111,103,657.69-166,655,010.53-28,106,195.75

Finding the Fourth Proportional to 111,103,657.69, 166,655,010.53 and 28,106,195.75

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Solution

The fourth proportional to 111,103,657.69, 166,655,010.53 and 28,106,195.75 is: 42,159,173.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,103,657.69 : 166,655,010.53 = 28,106,195.75 : x
  2. Step 2: Convert to fraction form
    111,103,657.69/166,655,010.53 = 28,106,195.75/x
  3. Step 3: Cross multiply
    111,103,657.69x = 166,655,010.53 × 28,106,195.75
  4. Step 4: Simplify right side
    111,103,657.69x = 4,684,038,349,161,394
  5. Step 5: Solve for x
    x = 4,684,038,349,161,394/111,103,657.69
  6. Step 6: Final answer
    x = 42,159,173.21

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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.