Home / 77,127,261.34-115,699,667.96-27,966,270.33

Finding the Fourth Proportional to 77,127,261.34, 115,699,667.96 and 27,966,270.33

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Solution

The fourth proportional to 77,127,261.34, 115,699,667.96 and 27,966,270.33 is: 41,952,587.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,127,261.34 : 115,699,667.96 = 27,966,270.33 : x
  2. Step 2: Convert to fraction form
    77,127,261.34/115,699,667.96 = 27,966,270.33/x
  3. Step 3: Cross multiply
    77,127,261.34x = 115,699,667.96 × 27,966,270.33
  4. Step 4: Simplify right side
    77,127,261.34x = 3,235,688,191,260,599
  5. Step 5: Solve for x
    x = 3,235,688,191,260,599/77,127,261.34
  6. Step 6: Final answer
    x = 41,952,587.65

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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.