Home / 107,891,999.70-161,837,999.55-61,833,779.70

Finding the Fourth Proportional to 107,891,999.70, 161,837,999.55 and 61,833,779.70

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Solution

The fourth proportional to 107,891,999.70, 161,837,999.55 and 61,833,779.70 is: 92,750,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,891,999.70 : 161,837,999.55 = 61,833,779.70 : x
  2. Step 2: Convert to fraction form
    107,891,999.70/161,837,999.55 = 61,833,779.70/x
  3. Step 3: Cross multiply
    107,891,999.70x = 161,837,999.55 × 61,833,779.70
  4. Step 4: Simplify right side
    107,891,999.70x = 10,007,055,211,263,400
  5. Step 5: Solve for x
    x = 10,007,055,211,263,400/107,891,999.70
  6. Step 6: Final answer
    x = 92,750,669.55

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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.