Home / 77,559,035-107,036,256.90-42,751,646.92

Finding the Fourth Proportional to 77,559,035, 107,036,256.90 and 42,751,646.92

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Solution

The fourth proportional to 77,559,035, 107,036,256.90 and 42,751,646.92 is: 58,999,912.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,559,035 : 107,036,256.90 = 42,751,646.92 : x
  2. Step 2: Convert to fraction form
    77,559,035/107,036,256.90 = 42,751,646.92/x
  3. Step 3: Cross multiply
    77,559,035x = 107,036,256.90 × 42,751,646.92
  4. Step 4: Simplify right side
    77,559,035x = 4,575,976,262,627,214
  5. Step 5: Solve for x
    x = 4,575,976,262,627,214/77,559,035
  6. Step 6: Final answer
    x = 58,999,912.29

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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.