Home / 57,681,462.10-86,526,043.02-20,285,590.06

Finding the Fourth Proportional to 57,681,462.10, 86,526,043.02 and 20,285,590.06

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Solution

The fourth proportional to 57,681,462.10, 86,526,043.02 and 20,285,590.06 is: 30,429,739.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,681,462.10 : 86,526,043.02 = 20,285,590.06 : x
  2. Step 2: Convert to fraction form
    57,681,462.10/86,526,043.02 = 20,285,590.06/x
  3. Step 3: Cross multiply
    57,681,462.10x = 86,526,043.02 × 20,285,590.06
  4. Step 4: Simplify right side
    57,681,462.10x = 1,755,231,838,217,644.25
  5. Step 5: Solve for x
    x = 1,755,231,838,217,644.25/57,681,462.10
  6. Step 6: Final answer
    x = 30,429,739.02

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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.