Home / 77,807,537.88-107,374,735.80-42,526,053.60

Finding the Fourth Proportional to 77,807,537.88, 107,374,735.80 and 42,526,053.60

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Solution

The fourth proportional to 77,807,537.88, 107,374,735.80 and 42,526,053.60 is: 58,686,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,807,537.88 : 107,374,735.80 = 42,526,053.60 : x
  2. Step 2: Convert to fraction form
    77,807,537.88/107,374,735.80 = 42,526,053.60/x
  3. Step 3: Cross multiply
    77,807,537.88x = 107,374,735.80 × 42,526,053.60
  4. Step 4: Simplify right side
    77,807,537.88x = 4,566,223,769,916,639
  5. Step 5: Solve for x
    x = 4,566,223,769,916,639/77,807,537.88
  6. Step 6: Final answer
    x = 58,686,136.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.