Home / 136,921,832.19-205,384,999.38-38,555,904.83

Finding the Fourth Proportional to 136,921,832.19, 205,384,999.38 and 38,555,904.83

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Solution

The fourth proportional to 136,921,832.19, 205,384,999.38 and 38,555,904.83 is: 57,834,491.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,921,832.19 : 205,384,999.38 = 38,555,904.83 : x
  2. Step 2: Convert to fraction form
    136,921,832.19/205,384,999.38 = 38,555,904.83/x
  3. Step 3: Cross multiply
    136,921,832.19x = 205,384,999.38 × 38,555,904.83
  4. Step 4: Simplify right side
    136,921,832.19x = 7,918,804,488,432,994
  5. Step 5: Solve for x
    x = 7,918,804,488,432,994/136,921,832.19
  6. Step 6: Final answer
    x = 57,834,491.12

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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.