Home / 77,526,273.06-106,988,538.96-42,721,205.58

Finding the Fourth Proportional to 77,526,273.06, 106,988,538.96 and 42,721,205.58

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Solution

The fourth proportional to 77,526,273.06, 106,988,538.96 and 42,721,205.58 is: 58,956,521.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,526,273.06 : 106,988,538.96 = 42,721,205.58 : x
  2. Step 2: Convert to fraction form
    77,526,273.06/106,988,538.96 = 42,721,205.58/x
  3. Step 3: Cross multiply
    77,526,273.06x = 106,988,538.96 × 42,721,205.58
  4. Step 4: Simplify right side
    77,526,273.06x = 4,570,679,367,613,999
  5. Step 5: Solve for x
    x = 4,570,679,367,613,999/77,526,273.06
  6. Step 6: Final answer
    x = 58,956,521.28

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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.