Home / 127,894,791.24-176,496,626.70-78,317,075.88

Finding the Fourth Proportional to 127,894,791.24, 176,496,626.70 and 78,317,075.88

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Solution

The fourth proportional to 127,894,791.24, 176,496,626.70 and 78,317,075.88 is: 108,078,676.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,894,791.24 : 176,496,626.70 = 78,317,075.88 : x
  2. Step 2: Convert to fraction form
    127,894,791.24/176,496,626.70 = 78,317,075.88/x
  3. Step 3: Cross multiply
    127,894,791.24x = 176,496,626.70 × 78,317,075.88
  4. Step 4: Simplify right side
    127,894,791.24x = 13,822,699,705,827,932
  5. Step 5: Solve for x
    x = 13,822,699,705,827,932/127,894,791.24
  6. Step 6: Final answer
    x = 108,078,676.01

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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.