Home / 257,034,227.22-385,606,651.73-79,767,867.51

Finding the Fourth Proportional to 257,034,227.22, 385,606,651.73 and 79,767,867.51

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Solution

The fourth proportional to 257,034,227.22, 385,606,651.73 and 79,767,867.51 is: 119,668,966.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,034,227.22 : 385,606,651.73 = 79,767,867.51 : x
  2. Step 2: Convert to fraction form
    257,034,227.22/385,606,651.73 = 79,767,867.51/x
  3. Step 3: Cross multiply
    257,034,227.22x = 385,606,651.73 × 79,767,867.51
  4. Step 4: Simplify right side
    257,034,227.22x = 30,759,020,305,774,516
  5. Step 5: Solve for x
    x = 30,759,020,305,774,516/257,034,227.22
  6. Step 6: Final answer
    x = 119,668,966.42

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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.