Home / 77,127,265.34-115,699,673.96-27,966,274.32

Finding the Fourth Proportional to 77,127,265.34, 115,699,673.96 and 27,966,274.32

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Solution

The fourth proportional to 77,127,265.34, 115,699,673.96 and 27,966,274.32 is: 41,952,593.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,127,265.34 : 115,699,673.96 = 27,966,274.32 : x
  2. Step 2: Convert to fraction form
    77,127,265.34/115,699,673.96 = 27,966,274.32/x
  3. Step 3: Cross multiply
    77,127,265.34x = 115,699,673.96 × 27,966,274.32
  4. Step 4: Simplify right side
    77,127,265.34x = 3,235,688,820,699,920.50
  5. Step 5: Solve for x
    x = 3,235,688,820,699,920.50/77,127,265.34
  6. Step 6: Final answer
    x = 41,952,593.63

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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.