Home / 86,526,092.10-129,789,138.15-83,502,783.30

Finding the Fourth Proportional to 86,526,092.10, 129,789,138.15 and 83,502,783.30

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Solution

The fourth proportional to 86,526,092.10, 129,789,138.15 and 83,502,783.30 is: 125,254,174.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,526,092.10 : 129,789,138.15 = 83,502,783.30 : x
  2. Step 2: Convert to fraction form
    86,526,092.10/129,789,138.15 = 83,502,783.30/x
  3. Step 3: Cross multiply
    86,526,092.10x = 129,789,138.15 × 83,502,783.30
  4. Step 4: Simplify right side
    86,526,092.10x = 10,837,754,277,633,214
  5. Step 5: Solve for x
    x = 10,837,754,277,633,214/86,526,092.10
  6. Step 6: Final answer
    x = 125,254,174.95

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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.