Home / 170,389,057.10-235,096,850.77-103,406,530.57

Finding the Fourth Proportional to 170,389,057.10, 235,096,850.77 and 103,406,530.57

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Solution

The fourth proportional to 170,389,057.10, 235,096,850.77 and 103,406,530.57 is: 142,676,707.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,389,057.10 : 235,096,850.77 = 103,406,530.57 : x
  2. Step 2: Convert to fraction form
    170,389,057.10/235,096,850.77 = 103,406,530.57/x
  3. Step 3: Cross multiply
    170,389,057.10x = 235,096,850.77 × 103,406,530.57
  4. Step 4: Simplify right side
    170,389,057.10x = 24,310,549,686,129,444
  5. Step 5: Solve for x
    x = 24,310,549,686,129,444/170,389,057.10
  6. Step 6: Final answer
    x = 142,676,707.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.