Home / 84,977,239.20-127,465,858.80-75,411,301.20

Finding the Fourth Proportional to 84,977,239.20, 127,465,858.80 and 75,411,301.20

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Solution

The fourth proportional to 84,977,239.20, 127,465,858.80 and 75,411,301.20 is: 113,116,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,977,239.20 : 127,465,858.80 = 75,411,301.20 : x
  2. Step 2: Convert to fraction form
    84,977,239.20/127,465,858.80 = 75,411,301.20/x
  3. Step 3: Cross multiply
    84,977,239.20x = 127,465,858.80 × 75,411,301.20
  4. Step 4: Simplify right side
    84,977,239.20x = 9,612,366,270,683,470
  5. Step 5: Solve for x
    x = 9,612,366,270,683,470/84,977,239.20
  6. Step 6: Final answer
    x = 113,116,951.80

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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.