Home / 42,651,140.90-58,797,357.10-30,406,740.26

Finding the Fourth Proportional to 42,651,140.90, 58,797,357.10 and 30,406,740.26

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Solution

The fourth proportional to 42,651,140.90, 58,797,357.10 and 30,406,740.26 is: 41,917,658.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,651,140.90 : 58,797,357.10 = 30,406,740.26 : x
  2. Step 2: Convert to fraction form
    42,651,140.90/58,797,357.10 = 30,406,740.26/x
  3. Step 3: Cross multiply
    42,651,140.90x = 58,797,357.10 × 30,406,740.26
  4. Step 4: Simplify right side
    42,651,140.90x = 1,787,835,964,944,163
  5. Step 5: Solve for x
    x = 1,787,835,964,944,163/42,651,140.90
  6. Step 6: Final answer
    x = 41,917,658.65

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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.