Home / 76,806,453.69-115,209,797.43-31,368,248.19

Finding the Fourth Proportional to 76,806,453.69, 115,209,797.43 and 31,368,248.19

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Solution

The fourth proportional to 76,806,453.69, 115,209,797.43 and 31,368,248.19 is: 47,052,420.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,806,453.69 : 115,209,797.43 = 31,368,248.19 : x
  2. Step 2: Convert to fraction form
    76,806,453.69/115,209,797.43 = 31,368,248.19/x
  3. Step 3: Cross multiply
    76,806,453.69x = 115,209,797.43 × 31,368,248.19
  4. Step 4: Simplify right side
    76,806,453.69x = 3,613,929,519,703,864.50
  5. Step 5: Solve for x
    x = 3,613,929,519,703,864.50/76,806,453.69
  6. Step 6: Final answer
    x = 47,052,420.03

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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.