Home / 77,559,038-107,036,261.04-42,751,649.92

Finding the Fourth Proportional to 77,559,038, 107,036,261.04 and 42,751,649.92

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Solution

The fourth proportional to 77,559,038, 107,036,261.04 and 42,751,649.92 is: 58,999,916.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,559,038 : 107,036,261.04 = 42,751,649.92 : x
  2. Step 2: Convert to fraction form
    77,559,038/107,036,261.04 = 42,751,649.92/x
  3. Step 3: Cross multiply
    77,559,038x = 107,036,261.04 × 42,751,649.92
  4. Step 4: Simplify right side
    77,559,038x = 4,575,976,760,727,816
  5. Step 5: Solve for x
    x = 4,575,976,760,727,816/77,559,038
  6. Step 6: Final answer
    x = 58,999,916.43

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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.